Pi\u00e8ces moul\u00e9es en fonte grise sur mesure | Fonderie de coul\u00e9e en sable | Kurt Foundry<\/title>\n <meta name=\"description\" content=\"Kurt Foundry se sp\u00e9cialise dans les pi\u00e8ces moul\u00e9es en sable de fonte grise sur mesure de haute qualit\u00e9. Nous fabriquons des composants en fonte ASTM A48 pour \u00e9quipements industriels lourds, volants d'inertie, volants de man\u0153uvre et contrepoids.\">\n <style>\n \/* --- Typography & Variables --- *\/\n @import url('https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');\n\n :root {\n --primary-dark: #0a0e0d; \n --primary: #2b3a36; \n --primary-light: #445851;\n --accent: #d4af37; \n --bg-light: #f9f8f4;\n --bg-white: #ffffff;\n --bg-gray: #f0efe9;\n --text-main: #333333;\n --text-muted: #666666;\n --text-light: #e0e0e0;\n --border: #e2dfd5;\n --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);\n }\n\n * { margin: 0; padding: 0; box-sizing: border-box; }\n html { scroll-behavior: smooth; }\n body { font-family: 'Open Sans', sans-serif; background-color: var(--bg-light); color: var(--text-main); line-height: 1.7; overflow-x: hidden; width: 100%; }\n\n h1, h2, h3, h4, h5 { font-family: 'Playfair Display', serif; font-weight: 600; color: var(--primary-dark); }\n a { text-decoration: none; color: inherit; transition: var(--transition); }\n img { max-width: 100%; height: auto; display: block; }\n\n \/* --- Advanced Animation Classes --- *\/\n .reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s ease-out; will-change: opacity, transform; }\n .reveal-scale { opacity: 0; transform: scale(0.95); transition: all 0.8s ease-out; will-change: opacity, transform; }\n .active.reveal-up, .active.reveal-scale { opacity: 1; transform: translate(0) scale(1); }\n .delay-1 { transition-delay: 0.15s; }\n .delay-2 { transition-delay: 0.3s; }\n .delay-3 { transition-delay: 0.45s; }\n\n \/* --- Buttons System --- *\/\n .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 1rem 2.5rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; cursor: pointer; transition: var(--transition); border-radius: 2px; position: relative; overflow: hidden; z-index: 1; border: 1px solid transparent; text-align: center; }\n .btn-dark { background-color: var(--primary); color: var(--bg-white); border-color: var(--primary); }\n .btn-dark::before { content: ''; position: absolute; top: 0; left: 0; width: 0%; height: 100%; background-color: var(--primary-dark); transition: var(--transition); z-index: -1; }\n .btn-dark:hover::before { width: 100%; }\n .btn-dark:hover { color: var(--bg-white); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 15px rgba(0,0,0,0.1); }\n .btn-white { background-color: var(--bg-white); color: var(--primary-dark); border-color: var(--bg-white); }\n .btn-white:hover { background-color: var(--bg-gray); color: var(--primary-dark); transform: translateY(-2px); }\n .btn-outline { background-color: transparent; color: var(--primary); border-color: var(--primary); }\n .btn-outline:hover { background-color: var(--primary); color: var(--bg-white); transform: translateY(-2px); }\n\n \/* --- Header & Layout Utility --- *\/\n header { position: fixed; top: 0; left: 0; width: 100%; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(10px); display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 5%; border-bottom: 1px solid rgba(0,0,0,0.05); z-index: 9999; transition: var(--transition); }\n header.scrolled { padding: 1rem 5%; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }\n .logo-main { font-family: 'Playfair Display', serif; font-size: 2.2rem; color: var(--primary-dark); line-height: 1; display: block; }\n .logo-sub { font-size: 0.85rem; text-transform: capitalize; letter-spacing: 1px; color: var(--text-muted); margin-top: 4px; display: block; font-family: 'Open Sans', sans-serif; }\n \n \/* Mobile Hamburger *\/\n .hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; z-index: 10000; }\n .hamburger span { width: 25px; height: 3px; background-color: var(--primary-dark); transition: all 0.3s; border-radius: 2px;}\n \n \/* Navigation Links *\/\n nav ul { display: flex; gap: 2rem; list-style: none; align-items: center; margin: 0; padding: 0; }\n nav a, .nav-dropdown-trigger { \n font-family: 'Playfair Display', serif; \n font-size: 1.15rem; \n text-transform: capitalize; \n letter-spacing: 0.5px; \n font-weight: 500; \n color: var(--primary-dark); \n position: relative; \n padding-bottom: 5px; \n cursor: pointer;\n display: inline-block;\n }\n \n \/* Hover Underline Effect *\/\n nav > ul > li > a::after, .nav-dropdown-trigger::after { \n content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); \n }\n nav > ul > li > a:hover::after, .dropdown:hover .nav-dropdown-trigger::after { width: 100%; }\n \n \/* Desktop Dropdown CSS *\/\n .dropdown { position: relative; }\n .dropdown-menu { \n display: block; \n position: absolute; \n top: 100%; \n left: -15px; \n background: var(--bg-white); \n box-shadow: 0 15px 35px rgba(0,0,0,0.08); \n min-width: 280px; \n border-top: 3px solid var(--primary); \n opacity: 0; \n visibility: hidden; \n transform: translateY(15px); \n transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1); \n padding: 1rem 0; \n z-index: 1000; \n border-radius: 0 0 4px 4px; \n }\n .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }\n .dropdown-menu li { display: block; margin: 0; width: 100%; }\n .dropdown-menu a { \n display: block; \n padding: 0.7rem 1.5rem; \n font-size: 1.05rem; \n font-weight: 500; \n border-bottom: none; \n color: var(--text-main);\n transition: var(--transition);\n width: 100%;\n white-space: nowrap;\n }\n .dropdown-menu a::after { display: none; } \n .dropdown-menu a:hover { \n background: var(--bg-gray); \n color: var(--primary-dark); \n padding-left: 2rem; \n }\n\n \/* Nav CTA Button *\/\n .nav-cta { padding: 0.6rem 1.2rem; background: var(--primary); color: var(--bg-white) !important; border-radius: 2px; font-family: 'Open Sans', sans-serif !important; font-size: 0.9rem !important; text-transform: uppercase !important; letter-spacing: 1px !important;}\n .nav-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }\n .nav-cta::after { display: none !important; }\n\n section { padding: 7rem 5%; width: 100%; overflow: hidden; }\n .container { max-width: 1300px; margin: 0 auto; width: 100%; }\n .section-header { text-align: center; margin-bottom: 4rem; width: 100%; }\n .section-header h2 { font-size: 2.8rem; margin-bottom: 1rem; line-height: 1.2; }\n .section-header p { font-size: 1.05rem; color: var(--text-muted); max-width: 800px; margin: 0 auto; }\n .subtitle { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 3px; color: var(--primary-light); font-weight: 600; display: block; margin-bottom: 0.8rem; }\n\n \/* --- Inner Page Hero --- *\/\n .inner-hero { position: relative; min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 8rem; background-color: var(--primary-dark); overflow: hidden; }\n .inner-hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; opacity: 0.4; mix-blend-mode: multiply;}\n .inner-hero-content { position: relative; z-index: 3; max-width: 900px; opacity: 0; transform: translateY(30px); animation: fadeInHero 1s ease-out 0.2s forwards; padding: 0 1rem; }\n @keyframes fadeInHero { to { opacity: 1; transform: translateY(0); } }\n .inner-hero h1 { color: var(--bg-white); font-size: 4rem; line-height: 1.1; margin-bottom: 1.2rem; }\n .inner-hero p { font-size: 1.15rem; font-weight: 300; color: var(--text-light); margin-bottom: 2rem; }\n\n \/* --- Content Layout --- *\/\n .text-content-section { background: var(--bg-white); }\n .text-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }\n .text-grid p { margin-bottom: 1.5rem; font-size: 1.05rem; color: var(--text-muted); }\n \n \/* --- Responsive Video\/Image Wrapper --- *\/\n .video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 2px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); background: #222; }\n .video-wrapper iframe, .video-wrapper img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }\n\n \/* --- Grades Table --- *\/\n .grades-section { background: var(--bg-gray); }\n .table-responsive { width: 100%; overflow-x: auto; margin-top: 2rem; background: var(--bg-white); border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.03); }\n table { width: 100%; border-collapse: collapse; text-align: left; }\n th, td { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border); }\n th { background-color: var(--primary-dark); color: var(--bg-white); font-weight: 600; font-family: 'Playfair Display', serif; font-size: 1.1rem; letter-spacing: 0.5px; }\n tr:last-child td { border-bottom: none; }\n tr:hover td { background-color: var(--bg-light); }\n .grade-name { font-weight: 600; color: var(--primary); }\n\n \/* --- Process Section --- *\/\n .process { background: linear-gradient(135deg, #182220 0%, #2b3a36 100%); color: var(--bg-white); }\n .process h2, .process .subtitle { color: var(--bg-white); }\n .process .subtitle { color: var(--accent); }\n .process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 3rem; }\n .step-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 2.5rem 1.5rem; position: relative; transition: var(--transition); text-align: center; }\n .step-card:hover { transform: translateY(-10px); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.3); }\n .step-card h3 { color: var(--accent); font-size: 1.3rem; margin-bottom: 1rem; font-family: 'Open Sans', sans-serif; }\n .step-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }\n\n \/* --- Case Studies --- *\/\n .case-studies { background: var(--bg-white); }\n .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }\n .case-card { background: var(--bg-white); border: 1px solid var(--border); transition: var(--transition); border-radius: 2px; overflow: hidden; }\n .case-card:hover { transform: translateY(-8px); box-shadow: 0 15px 35px rgba(0,0,0,0.08); }\n .case-img { width: 100%; height: 280px; background: #e5e4de; overflow: hidden; }\n .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }\n .case-card:hover .case-img img { transform: scale(1.05); }\n .case-info { padding: 2rem; }\n .case-info h3 { font-size: 1.4rem; margin-bottom: 0.8rem; }\n .case-info p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }\n\n \/* --- Advantages --- *\/\n .split-section { display: flex; flex-wrap: wrap; background: var(--bg-white); border-top: 1px solid var(--border); }\n .split-content { flex: 1; min-width: 300px; padding: 6rem 5%; display: flex; flex-direction: column; justify-content: center; }\n .split-image-container { flex: 1; min-width: 300px; background-color: #2a2a2a; overflow: hidden; position: relative; }\n .split-image-container img { width: 100%; height: 100%; object-fit: cover; position: absolute; top: 0; left: 0; }\n .check-list { list-style: none; margin-top: 1.5rem; }\n .check-list li { position: relative; padding-left: 1.8rem; margin-bottom: 0.8rem; font-weight: 600; color: var(--text-main); }\n .check-list li::before { content: '\u2713'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }\n\n \/* --- FAQ --- *\/\n .faq { background-color: var(--bg-light); }\n .faq-container { max-width: 900px; margin: 0 auto; }\n .faq-item { border-bottom: 1px solid var(--border); }\n .faq-question { padding: 1.5rem 0; font-size: 1.15rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--primary-dark); transition: var(--transition); }\n .faq-question:hover { color: var(--primary); }\n .faq-icon { font-size: 1.5rem; transition: transform 0.3s ease; color: var(--primary-light); }\n .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; color: var(--text-muted); }\n .faq-answer p { padding-bottom: 1.5rem; font-size: 0.95rem; line-height: 1.7; }\n .faq-item.active .faq-answer { max-height: 500px; }\n .faq-item.active .faq-icon { transform: rotate(45deg); }\n\n \/* --- Footer & Final CTA --- *\/\n .cta-final { background: linear-gradient(135deg, #0a0e0d 0%, #2b3a36 100%); color: var(--bg-white); text-align: center; padding: 6rem 5%; }\n .cta-final h2 { color: var(--bg-white); font-size: 3rem; margin-bottom: 1.5rem; }\n .cta-final p { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin: 0 auto 2.5rem; }\n footer { background-color: var(--primary-dark); color: var(--text-light); padding: 5rem 5% 2rem; }\n .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; max-width: 1300px; margin: 0 auto; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); }\n footer h4 { color: #ffffff !important; font-size: 1.4rem; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1px; }\n footer p, footer ul li { font-size: 1.05rem; line-height: 1.7; }\n footer ul { list-style: none; }\n footer ul li { margin-bottom: 1rem; }\n footer a { color: #cccccc; transition: color 0.3s ease; }\n footer a:hover { color: var(--accent); }\n .footer-bottom { text-align: center; padding-top: 2rem; font-size: 0.95rem; color: #888888; }\n .footer-bottom-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1rem; }\n .footer-bottom-links a { font-size: 0.85rem; color: #888888; text-decoration: underline; }\n\n \/* --- Mobile Responsiveness --- *\/\n @media (max-width: 1024px) {\n .case-grid { grid-template-columns: repeat(2, 1fr); }\n .text-grid { grid-template-columns: 1fr; gap: 2rem; }\n }\n @media (max-width: 768px) {\n section { padding: 4rem 5%; }\n .inner-hero { padding-top: 6rem; min-height: 50vh; }\n .inner-hero h1 { font-size: 2.8rem; }\n .section-header h2 { font-size: 2.2rem; }\n .case-grid { grid-template-columns: 1fr; }\n .process-grid { grid-template-columns: 1fr; }\n .split-section { flex-direction: column !important; }\n .split-image-container { min-height: 350px; padding: 0; }\n .split-image-container img { position: static; height: 350px; }\n header { padding: 1rem 5%; flex-wrap: wrap; }\n .hamburger { display: flex; } \n \n \/* Mobile Nav Wrapper *\/\n nav { position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255,255,255,0.98); box-shadow: 0 10px 15px rgba(0,0,0,0.1); clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: clip-path 0.4s ease-in-out; max-height: calc(100vh - 70px); overflow-y: auto; }\n nav.nav-active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }\n \n nav ul { flex-direction: column; padding: 2rem; gap: 1.5rem; align-items: flex-start; width: 100%; }\n nav ul li { width: 100%; }\n nav a, .nav-dropdown-trigger { font-size: 1.3rem; width: 100%; display: block; }\n \n \/* Mobile Dropdown Accordion *\/\n .dropdown { width: 100%; }\n .dropdown-menu { \n position: static; \n box-shadow: none; \n border-top: none; \n padding: 0; \n max-height: 0; \n overflow: hidden; \n visibility: hidden;\n opacity: 0;\n background: transparent; \n transition: max-height 0.4s ease, opacity 0.4s ease;\n transform: none;\n border-radius: 0;\n }\n .dropdown.active .dropdown-menu { \n max-height: 300px; \n opacity: 1;\n visibility: visible;\n padding: 0.5rem 0 0.5rem 1rem; \n }\n .dropdown-menu a { padding: 0.6rem 0; font-size: 1.1rem; border: none; white-space: normal; }\n .dropdown-menu a:hover { padding-left: 0.5rem; background: transparent; }\n \n .nav-cta { width: auto; display: inline-block; margin-top: 1rem;}\n }\n <\/style>\n<\/head>\n<body>\n\n <header id=\"navbar\">\n <div class=\"logo\">\n <a href=\"https:\/\/kurtfoundry.com\/fr\/\">\n <span class=\"logo-main\">Fonderie Kurt<\/span>\n <span class=\"logo-sub\">Moulage au sable sur mesure<\/span>\n <\/a>\n <\/div>\n <div class=\"hamburger\" id=\"hamburger\">\n <span><\/span>\n <span><\/span>\n <span><\/span>\n <\/div>\n <nav id=\"nav-menu\">\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/\">Accueil<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/about-us\/\">\u00c0 propos de nous<\/a><\/li>\n <li class=\"dropdown\" id=\"materialsDropdown\">\n <span class=\"nav-dropdown-trigger\">Capacit\u00e9s \u25be<\/span>\n <ul class=\"dropdown-menu\">\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-carbon-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier au carbone<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-stainless-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier inoxydable<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-ductile-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte ductile<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-gray-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte grise<\/a><\/li>\n <\/ul>\n <\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/blog\/\">Blog<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"nav-cta\">Contactez-nous<\/a><\/li>\n <\/ul>\n <\/nav>\n <\/header>\n\n <section class=\"inner-hero\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/gray-iron-pouring-bg.jpg\" alt=\"Fonderie de coul\u00e9e en sable de fonte grise\" class=\"inner-hero-bg\" title=\"\">\n <div class=\"inner-hero-content\">\n <span class=\"subtitle\" style=\"color: var(--accent);\">Expertise en moulage au sable industriel<\/span>\n <h1>Pi\u00e8ces moul\u00e9es personnalis\u00e9es en fonte grise<\/h1>\n <p>Amortissement exceptionnel des vibrations, excellente usinabilit\u00e9 et rapport co\u00fbt-efficacit\u00e9 tr\u00e8s avantageux. Nous concevons de la fonte \u00e0 graphite lamellaire de qualit\u00e9 sup\u00e9rieure pour les machines lourdes, les socles de machines et les contrepoids de grande taille.<\/p>\n <a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"btn btn-outline\" style=\"color: var(--accent); border-color: var(--accent); margin-top: 1rem;\">Demander un devis gratuit<\/a>\n <\/div>\n <\/section>\n\n <section class=\"text-content-section\">\n <div class=\"container text-grid\">\n <div class=\"reveal-up\">\n <span class=\"subtitle\">Pourquoi choisir la fonte grise ?<\/span>\n <h2>Amortissement et rentabilit\u00e9 in\u00e9gal\u00e9s.<\/h2>\n <p>Caract\u00e9ris\u00e9e par sa microstructure en graphite lamellaire, <strong>les pi\u00e8ces moul\u00e9es en fonte grise sur mesure<\/strong> constituent l'\u00e9pine dorsale du secteur industriel lourd. Bien qu'elle ne poss\u00e8de pas la r\u00e9sistance \u00e0 la traction de la fonte ductile, elle excelle dans les domaines o\u00f9 la rigidit\u00e9, la r\u00e9sistance \u00e0 la compression et l'absorption des vibrations sont essentielles.<\/p>\n <p>Chez Kurt Foundry, nous sommes sp\u00e9cialis\u00e9s dans la coul\u00e9e de composants en fonte grise de taille moyenne \u00e0 massive. Que vous ayez besoin de contrepoids industriels massifs, de volants d'inertie lourds ou de volants de man\u0153uvre sur mesure, notre proc\u00e9d\u00e9 de moulage au sable \u00e0 la r\u00e9sine garantit un excellent \u00e9tat de surface, des tol\u00e9rances serr\u00e9es et une conductivit\u00e9 thermique sup\u00e9rieure \u00e0 un prix tr\u00e8s \u00e9conomique.<\/p>\n <a href=\"#standards\" class=\"btn btn-dark\" style=\"margin-top: 1rem;\">Voir les nuances de mat\u00e9riaux<\/a>\n <\/div>\n <div class=\"reveal-up delay-1\">\n <div class=\"video-wrapper\">\n <iframe src=\"https:\/\/www.youtube.com\/embed\/AOixpw6pKm4\" title=\"Pi\u00e8ces moul\u00e9es en fonte grise - Fabrication\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section id=\"standards\" class=\"grades-section\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Conforme aux normes ASTM et DIN<\/span>\n <h2>Nuances courantes de fonte grise moul\u00e9e<\/h2>\n <p>Notre \u00e9quipe de m\u00e9tallurgie contr\u00f4le soigneusement les \u00e9quivalents carbone et silicium pour garantir une structure lamellaire parfaite. Vous trouverez ci-dessous les nuances standard de fonte grise que nous coulons.<\/p>\n <\/div>\n \n <div class=\"table-responsive reveal-up delay-1\">\n <table>\n <thead>\n <tr>\n <th>Norme \/ Nuance<\/th>\n <th>R\u00e9sistance minimale \u00e0 la traction (MPa)<\/th>\n <th>Duret\u00e9 typique (HB)<\/th>\n <th>Applications courantes<\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 20 \/ 25<\/td>\n <td>\u2265 150<\/td>\n <td>140 \u2013 190<\/td>\n <td>Contrepoids, carters non pressuris\u00e9s, volants de man\u0153uvre, couvercles pour charges l\u00e9g\u00e8res.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 30<\/td>\n <td>\u2265 207<\/td>\n <td>170 \u2013 220<\/td>\n <td>Volants d'inertie, carters de pompes, bo\u00eetes de vitesses, socles de machines.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 35<\/td>\n <td>\u2265 241<\/td>\n <td>190 \u2013 240<\/td>\n <td>Bancs de machines-outils lourdes, v\u00e9rins hydrauliques, disques de frein.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 40<\/td>\n <td>\u2265 276<\/td>\n <td>200 \u2013 260<\/td>\n <td>Blocs moteurs diesel \u00e0 haute contrainte, volants d'inertie pour charges lourdes.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">DIN EN 1561 EN-GJL-250<\/td>\n <td>\u2265 250<\/td>\n <td>180 \u2013 230<\/td>\n <td>\u00c9quivalent europ\u00e9en pour l'ing\u00e9nierie g\u00e9n\u00e9rale et les pi\u00e8ces m\u00e9caniques.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"process\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">M\u00e9thodologie de coul\u00e9e contr\u00f4l\u00e9e<\/span>\n <h2>Notre proc\u00e9d\u00e9 de moulage au sable pour la fonte grise<\/h2>\n <p style=\"color: #aaa;\">Une qualit\u00e9 constante commence par un contr\u00f4le m\u00e9tallurgique pr\u00e9cis et une fabrication de moules sup\u00e9rieure pour les grandes pi\u00e8ces industrielles.<\/p>\n <\/div>\n <div class=\"process-grid reveal-up delay-1\">\n <div class=\"step-card\">\n <h3>1. Conception pour la fabrication (DFM) et r\u00e9alisation des mod\u00e8les<\/h3>\n <p>Nous analysons vos fichiers CAO pour optimiser la coulabilit\u00e9, en concevant des syst\u00e8mes de coul\u00e9e et d'alimentation pr\u00e9cis afin d'obtenir une fonte dense et sans d\u00e9fauts.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>2. Moulage au sable \u00e0 la r\u00e9sine<\/h3>\n <p>Id\u00e9al pour les pi\u00e8ces lourdes comme les contrepoids et les socles de machines, nos moules en sable \u00e0 la r\u00e9sine furanique offrent une rigidit\u00e9 extr\u00eame et d'excellents \u00e9tats de surface.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>3. Fusion et inoculation<\/h3>\n <p>Les riblons d'acier et la fonte brute sont fondus dans des fours \u00e0 induction \u00e0 moyenne fr\u00e9quence. Une inoculation minutieuse affine les lamelles de graphite pour une r\u00e9sistance uniforme.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>4. Analyse thermique<\/h3>\n <p>Une spectrom\u00e9trie avant coul\u00e9e garantit l'\u00e9quivalent carbone (CE) exact requis pour la classe ASTM sp\u00e9cifique de fonte grise avant la coul\u00e9e.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>5. Usinage CNC et contr\u00f4le qualit\u00e9<\/h3>\n <p>Tirant parti de l'excellente usinabilit\u00e9 de la fonte grise, nous fraisons et tournons enti\u00e8rement les pi\u00e8ces moul\u00e9es par CNC, en v\u00e9rifiant les tol\u00e9rances par inspection CMM.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"case-studies\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Applications industrielles<\/span>\n <h2>Ce que nous coulons en fonte grise<\/h2>\n <p>De la stabilit\u00e9 massive \u00e0 l'absorption des vibrations, la fonte grise est le mat\u00e9riau de choix pour ces composants.<\/p>\n <\/div>\n\n <div class=\"case-grid\">\n <div class=\"case-card reveal-up\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/A-black-cast-iron-block-labeled-with-the-letter-h-used-as-a-counterweight-in-various-applications.webp\" alt=\"Contrepoids lourds en fonte\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Contrepoids lourds<\/h3>\n <p>Exploitant la haute densit\u00e9 et le rapport co\u00fbt-efficacit\u00e9 de la fonte grise, nous coulons des contrepoids massifs pour les ascenseurs, les grues, les tracteurs et les \u00e9quipements de construction lourds.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"case-card reveal-up delay-1\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/custom-flywheels.webp\" alt=\"Volant d'inertie industriel en fonte\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Volants d\u2019inertie industriels<\/h3>\n <p>Because gray iron absorbs vibration significantly better than steel, it is the standard for large industrial flywheels, pulleys, and rigid power transmission components.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"case-card reveal-up delay-2\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/custom-handwheel.webp\" alt=\"Volants de man\u0153uvre en fonte sur mesure\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Custom Hand Wheels<\/h3>\n <p>Cast iron hand wheels offer excellent durability, structural integrity, and a solid grip for manual valve actuation and heavy machinery adjustments.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"split-section\">\n <div class=\"split-image-container reveal-up\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/factory-scene-with-workers-preparing-sand-casting-molds-on-a-large-machine-focused-on-their-tasks.webp\" alt=\"Ouvriers pr\u00e9parant des moules de coul\u00e9e en sable \u00e0 la fonderie Kurt\" title=\"\">\n <\/div>\n <div class=\"split-content reveal-up delay-1\">\n <span class=\"subtitle\">The Kurt Foundry Difference<\/span>\n <h2>La diff\u00e9rence Kurt Foundry<\/h2>\n <p>Pourquoi collaborer avec nous pour la fonte grise ?.<\/p>\n \n <ul class=\"check-list\">\n <li>Nous sommes des sp\u00e9cialistes du moulage au sable lourd. Que vous ayez besoin d'un lot de volants de man\u0153uvre sur mesure ou d'un contrepoids massif pour tracteur, notre installation est \u00e9quip\u00e9e pour g\u00e9rer la coul\u00e9e et l'usinage de pr\u00e9cision.<\/li>\n <li>Capacit\u00e9s d'usinage CNC 5 axes en interne<\/li>\n <li>Contr\u00f4le m\u00e9tallurgique strict et spectrom\u00e9trie<\/li>\n <li>Logistique DDP\/FOB sans faille vers l'Am\u00e9rique du Nord<\/li>\n <\/ul>\n <\/div>\n <\/section>\n\n <section id=\"faq\" class=\"faq\">\n <div class=\"container faq-container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Base de connaissances<\/span>\n <h2>FAQ sur la coul\u00e9e de fonte grise<\/h2>\n <\/div>\n <div class=\"faq-list reveal-up delay-1\">\n <div class=\"faq-item\">\n <div class=\"faq-question\">Pourquoi utiliser la fonte grise plut\u00f4t que la fonte ductile ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>La fonte grise est g\u00e9n\u00e9ralement plus \u00e9conomique que la fonte ductile. Elle poss\u00e8de des propri\u00e9t\u00e9s d'amortissement des vibrations exceptionnelles (cruciales pour les bases de machines) et une excellente conductivit\u00e9 thermique (id\u00e9ale pour les bo\u00eetiers de moteurs). Cependant, si votre pi\u00e8ce doit r\u00e9sister \u00e0 des chocs \u00e9lev\u00e9s ou n\u00e9cessite de la flexibilit\u00e9, la fonte ductile est le meilleur choix.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Pourquoi la fonte grise est-elle si adapt\u00e9e \u00e0 l'usinage ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Les lamelles de graphite pr\u00e9sentes dans la fonte grise agissent comme un brise-copeaux naturel et un lubrifiant lors du processus d'usinage CNC. Cela permet des vitesses d'usinage beaucoup plus rapides, une usure r\u00e9duite des outils et un \u00e9tat de surface excellent par rapport \u00e0 l'acier moul\u00e9.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Quel est le poids maximum des pi\u00e8ces en fonte grise que vous pouvez couler ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Nos lignes de coulage en sable \u00e0 r\u00e9sine lourde sont \u00e9quip\u00e9es pour traiter des composants en fonte grise sur mesure allant de 50 lb \u00e0 5 000 lb (2,5 tonnes) par pi\u00e8ce unique, ce qui fait de nous un partenaire id\u00e9al pour les fabricants d'\u00e9quipements industriels de grande taille.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">La fonte grise peut-elle \u00eatre soud\u00e9e ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Le soudage de la fonte grise est notoirement difficile en raison de sa teneur \u00e9lev\u00e9e en carbone et de sa nature fragile, ce qui peut provoquer des fissures lors du cycle de chauffage et de refroidissement. Nous recommandons g\u00e9n\u00e9ralement de reconcevoir les assemblages pour qu'ils soient boulonn\u00e9s ou coul\u00e9s en une seule pi\u00e8ce monolithique plut\u00f4t que soud\u00e9s.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Proposez-vous des pi\u00e8ces enti\u00e8rement usin\u00e9es ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Oui, Kurt Foundry propose une fabrication enti\u00e8rement int\u00e9gr\u00e9e. Nous coulons les pi\u00e8ces en fonte grise et utilisons nos centres d'usinage CNC internes pour percer, fraiser, al\u00e9ser et tourner les pi\u00e8ces moul\u00e9es afin qu'elles soient pr\u00eates pour un assemblage imm\u00e9diat \u00e0 la livraison.<\/p><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"cta-final\">\n <div class=\"container reveal-scale\">\n <h2>Pr\u00eat \u00e0 obtenir un devis pour votre projet de coul\u00e9e de fonte ?<\/h2>\n <p>Envoyez-nous vos dessins CAO 2D\/3D. Nos ing\u00e9nieurs de fonderie fourniront une analyse DFM compl\u00e8te et un devis B2B comp\u00e9titif sous 48 heures.<\/p>\n <a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"btn btn-white\">Obtenez votre devis gratuit maintenant<\/a>\n <\/div>\n <\/section>\n\n <footer id=\"contact\">\n <div class=\"footer-grid\">\n <div>\n <span class=\"logo-main\" style=\"color: var(--bg-white);\">Fonderie Kurt<\/span>\n <p style=\"margin-top: 1rem; line-height: 1.6;\">Votre fonderie de coul\u00e9e en sable d\u00e9di\u00e9e aux pi\u00e8ces moul\u00e9es m\u00e9talliques industrielles lourdes sur mesure. Con\u00e7ues pour la r\u00e9sistance, livr\u00e9es en Am\u00e9rique du Nord.<\/p>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Capacit\u00e9s de moulage<\/h4>\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-carbon-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier au carbone<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-stainless-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier inoxydable<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-ductile-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte ductile<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-gray-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte grise<\/a><\/li>\n <\/ul>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Entreprise<\/h4>\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/about-us\/\">\u00c0 propos de notre fonderie<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/blog\/\">Blog de l'industrie<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\">Contact & RFQ<\/a><\/li>\n <\/ul>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Contactez-nous<\/h4>\n <ul>\n <li><a href=\"mailto:info@kurtfoundry.com\">info@kurtfoundry.com<\/a><\/li>\n <li style=\"margin-top: 0.5rem; color: #aaa;\">Ville de Weifang, Province du Shandong, Chine.<\/li>\n <li style=\"margin-top: 1.5rem;\"><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" style=\"color: var(--accent); font-weight:bold;\">\u2192 Envoyez-nous votre RFQ<\/a><\/li>\n <\/ul>\n <\/div>\n <\/div>\n <div class=\"footer-bottom\">\n <p>\u00a9 2026 Fonderie Kurt. Fabricant de pi\u00e8ces moul\u00e9es au sable sur mesure. 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{"id":99,"date":"2026-03-13T01:53:11","date_gmt":"2026-03-13T01:53:11","guid":{"rendered":"https:\/\/kurtfoundry.com\/?p=99"},"modified":"2026-05-13T00:16:53","modified_gmt":"2026-05-13T00:16:53","slug":"custom-gray-iron-castings","status":"publish","type":"post","link":"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-gray-iron-castings\/","title":{"rendered":"Pi\u00e8ces moul\u00e9es personnalis\u00e9es en fonte grise"},"content":{"rendered":"\n\n\n \n \n Pi\u00e8ces moul\u00e9es en fonte grise sur mesure | Fonderie de coul\u00e9e en sable | Kurt Foundry<\/title>\n <meta name=\"description\" content=\"Kurt Foundry se sp\u00e9cialise dans les pi\u00e8ces moul\u00e9es en sable de fonte grise sur mesure de haute qualit\u00e9. Nous fabriquons des composants en fonte ASTM A48 pour \u00e9quipements industriels lourds, volants d'inertie, volants de man\u0153uvre et contrepoids.\">\n <style>\n \/* --- Typography & Variables --- *\/\n @import url('https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:wght@400;500;600;700&family=Open+Sans:wght@300;400;600&display=swap');\n\n :root {\n --primary-dark: #0a0e0d; \n --primary: #2b3a36; \n --primary-light: #445851;\n --accent: #d4af37; \n --bg-light: #f9f8f4;\n --bg-white: #ffffff;\n --bg-gray: #f0efe9;\n --text-main: #333333;\n --text-muted: #666666;\n --text-light: #e0e0e0;\n --border: #e2dfd5;\n --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);\n }\n\n * { margin: 0; padding: 0; box-sizing: border-box; }\n html { scroll-behavior: smooth; }\n body { font-family: 'Open Sans', sans-serif; background-color: var(--bg-light); color: var(--text-main); line-height: 1.7; overflow-x: hidden; width: 100%; }\n\n h1, h2, h3, h4, h5 { font-family: 'Playfair Display', serif; font-weight: 600; color: var(--primary-dark); }\n a { text-decoration: none; color: inherit; transition: var(--transition); }\n img { max-width: 100%; height: auto; display: block; }\n\n \/* --- Advanced Animation Classes --- *\/\n .reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s ease-out; will-change: opacity, transform; }\n .reveal-scale { opacity: 0; transform: scale(0.95); transition: all 0.8s ease-out; will-change: opacity, transform; }\n .active.reveal-up, .active.reveal-scale { opacity: 1; transform: translate(0) scale(1); }\n .delay-1 { transition-delay: 0.15s; }\n .delay-2 { transition-delay: 0.3s; }\n .delay-3 { transition-delay: 0.45s; }\n\n \/* --- Buttons System --- *\/\n .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 1rem 2.5rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; cursor: pointer; transition: var(--transition); border-radius: 2px; position: relative; 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gap: 2rem; list-style: none; align-items: center; margin: 0; padding: 0; }\n nav a, .nav-dropdown-trigger { \n font-family: 'Playfair Display', serif; \n font-size: 1.15rem; \n text-transform: capitalize; \n letter-spacing: 0.5px; \n font-weight: 500; \n color: var(--primary-dark); \n position: relative; \n padding-bottom: 5px; \n cursor: pointer;\n display: inline-block;\n }\n \n \/* Hover Underline Effect *\/\n nav > ul > li > a::after, .nav-dropdown-trigger::after { \n content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); \n }\n nav > ul > li > a:hover::after, .dropdown:hover .nav-dropdown-trigger::after { width: 100%; }\n \n \/* Desktop Dropdown CSS *\/\n .dropdown { position: relative; }\n .dropdown-menu { \n display: block; \n position: absolute; \n top: 100%; \n left: -15px; \n background: var(--bg-white); \n box-shadow: 0 15px 35px rgba(0,0,0,0.08); \n min-width: 280px; \n border-top: 3px solid var(--primary); \n opacity: 0; \n visibility: hidden; \n transform: translateY(15px); \n transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1); \n padding: 1rem 0; \n z-index: 1000; \n border-radius: 0 0 4px 4px; \n }\n .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }\n .dropdown-menu li { display: block; margin: 0; width: 100%; }\n .dropdown-menu a { \n display: block; \n padding: 0.7rem 1.5rem; \n font-size: 1.05rem; \n font-weight: 500; \n border-bottom: none; \n color: var(--text-main);\n transition: var(--transition);\n width: 100%;\n white-space: nowrap;\n }\n .dropdown-menu a::after { display: none; } \n .dropdown-menu a:hover { \n background: var(--bg-gray); \n color: var(--primary-dark); \n padding-left: 2rem; \n }\n\n \/* Nav CTA Button *\/\n .nav-cta { padding: 0.6rem 1.2rem; background: var(--primary); color: var(--bg-white) !important; border-radius: 2px; font-family: 'Open Sans', sans-serif !important; font-size: 0.9rem !important; text-transform: uppercase !important; letter-spacing: 1px !important;}\n .nav-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }\n .nav-cta::after { display: none !important; }\n\n section { padding: 7rem 5%; width: 100%; overflow: hidden; }\n .container { max-width: 1300px; margin: 0 auto; width: 100%; }\n .section-header { text-align: center; margin-bottom: 4rem; width: 100%; }\n .section-header h2 { font-size: 2.8rem; margin-bottom: 1rem; line-height: 1.2; }\n .section-header p { font-size: 1.05rem; color: var(--text-muted); max-width: 800px; margin: 0 auto; }\n .subtitle { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 3px; color: var(--primary-light); font-weight: 600; display: block; margin-bottom: 0.8rem; }\n\n \/* --- Inner Page Hero --- *\/\n .inner-hero { position: relative; min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 8rem; background-color: var(--primary-dark); overflow: hidden; }\n .inner-hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; opacity: 0.4; mix-blend-mode: multiply;}\n .inner-hero-content { position: relative; z-index: 3; max-width: 900px; opacity: 0; transform: translateY(30px); animation: fadeInHero 1s ease-out 0.2s forwards; padding: 0 1rem; }\n @keyframes fadeInHero { to { opacity: 1; transform: translateY(0); } }\n .inner-hero h1 { color: var(--bg-white); font-size: 4rem; line-height: 1.1; margin-bottom: 1.2rem; }\n .inner-hero p { font-size: 1.15rem; font-weight: 300; color: var(--text-light); margin-bottom: 2rem; }\n\n \/* --- Content Layout --- *\/\n .text-content-section { background: var(--bg-white); }\n .text-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }\n .text-grid p { margin-bottom: 1.5rem; font-size: 1.05rem; color: var(--text-muted); }\n \n \/* --- Responsive Video\/Image Wrapper --- *\/\n .video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 2px; box-shadow: 0 15px 35px rgba(0,0,0,0.08); background: #222; }\n .video-wrapper iframe, .video-wrapper img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }\n\n \/* --- Grades Table --- *\/\n .grades-section { background: var(--bg-gray); }\n .table-responsive { width: 100%; overflow-x: auto; margin-top: 2rem; background: var(--bg-white); border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.03); }\n table { width: 100%; border-collapse: collapse; text-align: left; }\n th, td { padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--border); }\n th { background-color: var(--primary-dark); color: var(--bg-white); font-weight: 600; font-family: 'Playfair Display', serif; font-size: 1.1rem; letter-spacing: 0.5px; }\n tr:last-child td { border-bottom: none; }\n tr:hover td { background-color: var(--bg-light); }\n .grade-name { font-weight: 600; color: var(--primary); }\n\n \/* --- Process Section --- *\/\n .process { background: linear-gradient(135deg, #182220 0%, #2b3a36 100%); color: var(--bg-white); }\n .process h2, .process .subtitle { color: var(--bg-white); }\n .process .subtitle { color: var(--accent); }\n .process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 3rem; }\n .step-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); padding: 2.5rem 1.5rem; position: relative; transition: var(--transition); text-align: center; }\n .step-card:hover { transform: translateY(-10px); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.3); }\n .step-card h3 { color: var(--accent); font-size: 1.3rem; margin-bottom: 1rem; font-family: 'Open Sans', sans-serif; }\n .step-card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }\n\n \/* --- Case Studies --- *\/\n .case-studies { background: var(--bg-white); }\n .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }\n .case-card { background: var(--bg-white); border: 1px solid var(--border); transition: var(--transition); border-radius: 2px; overflow: hidden; }\n .case-card:hover { transform: translateY(-8px); box-shadow: 0 15px 35px rgba(0,0,0,0.08); }\n .case-img { width: 100%; height: 280px; background: #e5e4de; overflow: hidden; }\n .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }\n .case-card:hover .case-img img { transform: scale(1.05); }\n .case-info { padding: 2rem; }\n .case-info h3 { font-size: 1.4rem; margin-bottom: 0.8rem; }\n .case-info p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }\n\n \/* --- Advantages --- *\/\n .split-section { display: flex; flex-wrap: wrap; background: var(--bg-white); border-top: 1px solid var(--border); }\n .split-content { flex: 1; min-width: 300px; padding: 6rem 5%; display: flex; flex-direction: column; justify-content: center; }\n .split-image-container { flex: 1; min-width: 300px; background-color: #2a2a2a; overflow: hidden; position: relative; }\n .split-image-container img { width: 100%; height: 100%; object-fit: cover; position: absolute; top: 0; left: 0; }\n .check-list { list-style: none; margin-top: 1.5rem; }\n .check-list li { position: relative; padding-left: 1.8rem; margin-bottom: 0.8rem; font-weight: 600; color: var(--text-main); }\n .check-list li::before { content: '\u2713'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }\n\n \/* --- FAQ --- *\/\n .faq { background-color: var(--bg-light); }\n .faq-container { max-width: 900px; margin: 0 auto; }\n .faq-item { border-bottom: 1px solid var(--border); }\n .faq-question { padding: 1.5rem 0; font-size: 1.15rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--primary-dark); transition: var(--transition); }\n .faq-question:hover { color: var(--primary); }\n .faq-icon { font-size: 1.5rem; transition: transform 0.3s ease; color: var(--primary-light); }\n .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; color: var(--text-muted); }\n .faq-answer p { padding-bottom: 1.5rem; font-size: 0.95rem; line-height: 1.7; }\n .faq-item.active .faq-answer { max-height: 500px; }\n .faq-item.active .faq-icon { transform: rotate(45deg); }\n\n \/* --- Footer & Final CTA --- *\/\n .cta-final { background: linear-gradient(135deg, #0a0e0d 0%, #2b3a36 100%); color: var(--bg-white); text-align: center; padding: 6rem 5%; }\n .cta-final h2 { color: var(--bg-white); font-size: 3rem; margin-bottom: 1.5rem; }\n .cta-final p { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin: 0 auto 2.5rem; }\n footer { background-color: var(--primary-dark); color: var(--text-light); padding: 5rem 5% 2rem; }\n .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 3rem; max-width: 1300px; margin: 0 auto; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.1); }\n footer h4 { color: #ffffff !important; font-size: 1.4rem; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1px; }\n footer p, footer ul li { font-size: 1.05rem; line-height: 1.7; }\n footer ul { list-style: none; }\n footer ul li { margin-bottom: 1rem; }\n footer a { color: #cccccc; transition: color 0.3s ease; }\n footer a:hover { color: var(--accent); }\n .footer-bottom { text-align: center; padding-top: 2rem; font-size: 0.95rem; color: #888888; }\n .footer-bottom-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1rem; }\n .footer-bottom-links a { font-size: 0.85rem; color: #888888; text-decoration: underline; }\n\n \/* --- Mobile Responsiveness --- *\/\n @media (max-width: 1024px) {\n .case-grid { grid-template-columns: repeat(2, 1fr); }\n .text-grid { grid-template-columns: 1fr; gap: 2rem; }\n }\n @media (max-width: 768px) {\n section { padding: 4rem 5%; }\n .inner-hero { padding-top: 6rem; min-height: 50vh; }\n .inner-hero h1 { font-size: 2.8rem; }\n .section-header h2 { font-size: 2.2rem; }\n .case-grid { grid-template-columns: 1fr; }\n .process-grid { grid-template-columns: 1fr; }\n .split-section { flex-direction: column !important; }\n .split-image-container { min-height: 350px; padding: 0; }\n .split-image-container img { position: static; height: 350px; }\n header { padding: 1rem 5%; flex-wrap: wrap; }\n .hamburger { display: flex; } \n \n \/* Mobile Nav Wrapper *\/\n nav { position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255,255,255,0.98); box-shadow: 0 10px 15px rgba(0,0,0,0.1); clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transition: clip-path 0.4s ease-in-out; max-height: calc(100vh - 70px); overflow-y: auto; }\n nav.nav-active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }\n \n nav ul { flex-direction: column; padding: 2rem; gap: 1.5rem; align-items: flex-start; width: 100%; }\n nav ul li { width: 100%; }\n nav a, .nav-dropdown-trigger { font-size: 1.3rem; width: 100%; display: block; }\n \n \/* Mobile Dropdown Accordion *\/\n .dropdown { width: 100%; }\n .dropdown-menu { \n position: static; \n box-shadow: none; \n border-top: none; \n padding: 0; \n max-height: 0; \n overflow: hidden; \n visibility: hidden;\n opacity: 0;\n background: transparent; \n transition: max-height 0.4s ease, opacity 0.4s ease;\n transform: none;\n border-radius: 0;\n }\n .dropdown.active .dropdown-menu { \n max-height: 300px; \n opacity: 1;\n visibility: visible;\n padding: 0.5rem 0 0.5rem 1rem; \n }\n .dropdown-menu a { padding: 0.6rem 0; font-size: 1.1rem; border: none; white-space: normal; }\n .dropdown-menu a:hover { padding-left: 0.5rem; background: transparent; }\n \n .nav-cta { width: auto; display: inline-block; margin-top: 1rem;}\n }\n <\/style>\n<\/head>\n<body>\n\n <header id=\"navbar\">\n <div class=\"logo\">\n <a href=\"https:\/\/kurtfoundry.com\/fr\/\">\n <span class=\"logo-main\">Fonderie Kurt<\/span>\n <span class=\"logo-sub\">Moulage au sable sur mesure<\/span>\n <\/a>\n <\/div>\n <div class=\"hamburger\" id=\"hamburger\">\n <span><\/span>\n <span><\/span>\n <span><\/span>\n <\/div>\n <nav id=\"nav-menu\">\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/\">Accueil<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/about-us\/\">\u00c0 propos de nous<\/a><\/li>\n <li class=\"dropdown\" id=\"materialsDropdown\">\n <span class=\"nav-dropdown-trigger\">Capacit\u00e9s \u25be<\/span>\n <ul class=\"dropdown-menu\">\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-carbon-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier au carbone<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-stainless-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier inoxydable<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-ductile-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte ductile<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-gray-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte grise<\/a><\/li>\n <\/ul>\n <\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/blog\/\">Blog<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"nav-cta\">Contactez-nous<\/a><\/li>\n <\/ul>\n <\/nav>\n <\/header>\n\n <section class=\"inner-hero\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/gray-iron-pouring-bg.jpg\" alt=\"Fonderie de coul\u00e9e en sable de fonte grise\" class=\"inner-hero-bg\" title=\"\">\n <div class=\"inner-hero-content\">\n <span class=\"subtitle\" style=\"color: var(--accent);\">Expertise en moulage au sable industriel<\/span>\n <h1>Pi\u00e8ces moul\u00e9es personnalis\u00e9es en fonte grise<\/h1>\n <p>Amortissement exceptionnel des vibrations, excellente usinabilit\u00e9 et rapport co\u00fbt-efficacit\u00e9 tr\u00e8s avantageux. Nous concevons de la fonte \u00e0 graphite lamellaire de qualit\u00e9 sup\u00e9rieure pour les machines lourdes, les socles de machines et les contrepoids de grande taille.<\/p>\n <a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"btn btn-outline\" style=\"color: var(--accent); border-color: var(--accent); margin-top: 1rem;\">Demander un devis gratuit<\/a>\n <\/div>\n <\/section>\n\n <section class=\"text-content-section\">\n <div class=\"container text-grid\">\n <div class=\"reveal-up\">\n <span class=\"subtitle\">Pourquoi choisir la fonte grise ?<\/span>\n <h2>Amortissement et rentabilit\u00e9 in\u00e9gal\u00e9s.<\/h2>\n <p>Caract\u00e9ris\u00e9e par sa microstructure en graphite lamellaire, <strong>les pi\u00e8ces moul\u00e9es en fonte grise sur mesure<\/strong> constituent l'\u00e9pine dorsale du secteur industriel lourd. Bien qu'elle ne poss\u00e8de pas la r\u00e9sistance \u00e0 la traction de la fonte ductile, elle excelle dans les domaines o\u00f9 la rigidit\u00e9, la r\u00e9sistance \u00e0 la compression et l'absorption des vibrations sont essentielles.<\/p>\n <p>Chez Kurt Foundry, nous sommes sp\u00e9cialis\u00e9s dans la coul\u00e9e de composants en fonte grise de taille moyenne \u00e0 massive. Que vous ayez besoin de contrepoids industriels massifs, de volants d'inertie lourds ou de volants de man\u0153uvre sur mesure, notre proc\u00e9d\u00e9 de moulage au sable \u00e0 la r\u00e9sine garantit un excellent \u00e9tat de surface, des tol\u00e9rances serr\u00e9es et une conductivit\u00e9 thermique sup\u00e9rieure \u00e0 un prix tr\u00e8s \u00e9conomique.<\/p>\n <a href=\"#standards\" class=\"btn btn-dark\" style=\"margin-top: 1rem;\">Voir les nuances de mat\u00e9riaux<\/a>\n <\/div>\n <div class=\"reveal-up delay-1\">\n <div class=\"video-wrapper\">\n <iframe src=\"https:\/\/www.youtube.com\/embed\/AOixpw6pKm4\" title=\"Pi\u00e8ces moul\u00e9es en fonte grise - Fabrication\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section id=\"standards\" class=\"grades-section\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Conforme aux normes ASTM et DIN<\/span>\n <h2>Nuances courantes de fonte grise moul\u00e9e<\/h2>\n <p>Notre \u00e9quipe de m\u00e9tallurgie contr\u00f4le soigneusement les \u00e9quivalents carbone et silicium pour garantir une structure lamellaire parfaite. Vous trouverez ci-dessous les nuances standard de fonte grise que nous coulons.<\/p>\n <\/div>\n \n <div class=\"table-responsive reveal-up delay-1\">\n <table>\n <thead>\n <tr>\n <th>Norme \/ Nuance<\/th>\n <th>R\u00e9sistance minimale \u00e0 la traction (MPa)<\/th>\n <th>Duret\u00e9 typique (HB)<\/th>\n <th>Applications courantes<\/th>\n <\/tr>\n <\/thead>\n <tbody>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 20 \/ 25<\/td>\n <td>\u2265 150<\/td>\n <td>140 \u2013 190<\/td>\n <td>Contrepoids, carters non pressuris\u00e9s, volants de man\u0153uvre, couvercles pour charges l\u00e9g\u00e8res.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 30<\/td>\n <td>\u2265 207<\/td>\n <td>170 \u2013 220<\/td>\n <td>Volants d'inertie, carters de pompes, bo\u00eetes de vitesses, socles de machines.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 35<\/td>\n <td>\u2265 241<\/td>\n <td>190 \u2013 240<\/td>\n <td>Bancs de machines-outils lourdes, v\u00e9rins hydrauliques, disques de frein.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">ASTM A48 Classe 40<\/td>\n <td>\u2265 276<\/td>\n <td>200 \u2013 260<\/td>\n <td>Blocs moteurs diesel \u00e0 haute contrainte, volants d'inertie pour charges lourdes.<\/td>\n <\/tr>\n <tr>\n <td class=\"grade-name\">DIN EN 1561 EN-GJL-250<\/td>\n <td>\u2265 250<\/td>\n <td>180 \u2013 230<\/td>\n <td>\u00c9quivalent europ\u00e9en pour l'ing\u00e9nierie g\u00e9n\u00e9rale et les pi\u00e8ces m\u00e9caniques.<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"process\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">M\u00e9thodologie de coul\u00e9e contr\u00f4l\u00e9e<\/span>\n <h2>Notre proc\u00e9d\u00e9 de moulage au sable pour la fonte grise<\/h2>\n <p style=\"color: #aaa;\">Une qualit\u00e9 constante commence par un contr\u00f4le m\u00e9tallurgique pr\u00e9cis et une fabrication de moules sup\u00e9rieure pour les grandes pi\u00e8ces industrielles.<\/p>\n <\/div>\n <div class=\"process-grid reveal-up delay-1\">\n <div class=\"step-card\">\n <h3>1. Conception pour la fabrication (DFM) et r\u00e9alisation des mod\u00e8les<\/h3>\n <p>Nous analysons vos fichiers CAO pour optimiser la coulabilit\u00e9, en concevant des syst\u00e8mes de coul\u00e9e et d'alimentation pr\u00e9cis afin d'obtenir une fonte dense et sans d\u00e9fauts.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>2. Moulage au sable \u00e0 la r\u00e9sine<\/h3>\n <p>Id\u00e9al pour les pi\u00e8ces lourdes comme les contrepoids et les socles de machines, nos moules en sable \u00e0 la r\u00e9sine furanique offrent une rigidit\u00e9 extr\u00eame et d'excellents \u00e9tats de surface.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>3. Fusion et inoculation<\/h3>\n <p>Les riblons d'acier et la fonte brute sont fondus dans des fours \u00e0 induction \u00e0 moyenne fr\u00e9quence. Une inoculation minutieuse affine les lamelles de graphite pour une r\u00e9sistance uniforme.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>4. Analyse thermique<\/h3>\n <p>Une spectrom\u00e9trie avant coul\u00e9e garantit l'\u00e9quivalent carbone (CE) exact requis pour la classe ASTM sp\u00e9cifique de fonte grise avant la coul\u00e9e.<\/p>\n <\/div>\n <div class=\"step-card\">\n <h3>5. Usinage CNC et contr\u00f4le qualit\u00e9<\/h3>\n <p>Tirant parti de l'excellente usinabilit\u00e9 de la fonte grise, nous fraisons et tournons enti\u00e8rement les pi\u00e8ces moul\u00e9es par CNC, en v\u00e9rifiant les tol\u00e9rances par inspection CMM.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"case-studies\">\n <div class=\"container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Applications industrielles<\/span>\n <h2>Ce que nous coulons en fonte grise<\/h2>\n <p>De la stabilit\u00e9 massive \u00e0 l'absorption des vibrations, la fonte grise est le mat\u00e9riau de choix pour ces composants.<\/p>\n <\/div>\n\n <div class=\"case-grid\">\n <div class=\"case-card reveal-up\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/A-black-cast-iron-block-labeled-with-the-letter-h-used-as-a-counterweight-in-various-applications.webp\" alt=\"Contrepoids lourds en fonte\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Contrepoids lourds<\/h3>\n <p>Exploitant la haute densit\u00e9 et le rapport co\u00fbt-efficacit\u00e9 de la fonte grise, nous coulons des contrepoids massifs pour les ascenseurs, les grues, les tracteurs et les \u00e9quipements de construction lourds.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"case-card reveal-up delay-1\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/custom-flywheels.webp\" alt=\"Volant d'inertie industriel en fonte\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Volants d\u2019inertie industriels<\/h3>\n <p>Because gray iron absorbs vibration significantly better than steel, it is the standard for large industrial flywheels, pulleys, and rigid power transmission components.<\/p>\n <\/div>\n <\/div>\n\n <div class=\"case-card reveal-up delay-2\">\n <div class=\"case-img\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/custom-handwheel.webp\" alt=\"Volants de man\u0153uvre en fonte sur mesure\" title=\"\">\n <\/div>\n <div class=\"case-info\">\n <h3>Custom Hand Wheels<\/h3>\n <p>Cast iron hand wheels offer excellent durability, structural integrity, and a solid grip for manual valve actuation and heavy machinery adjustments.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"split-section\">\n <div class=\"split-image-container reveal-up\">\n <img decoding=\"async\" src=\"https:\/\/kurtfoundry.com\/wp-content\/uploads\/2026\/03\/factory-scene-with-workers-preparing-sand-casting-molds-on-a-large-machine-focused-on-their-tasks.webp\" alt=\"Ouvriers pr\u00e9parant des moules de coul\u00e9e en sable \u00e0 la fonderie Kurt\" title=\"\">\n <\/div>\n <div class=\"split-content reveal-up delay-1\">\n <span class=\"subtitle\">The Kurt Foundry Difference<\/span>\n <h2>La diff\u00e9rence Kurt Foundry<\/h2>\n <p>Pourquoi collaborer avec nous pour la fonte grise ?.<\/p>\n \n <ul class=\"check-list\">\n <li>Nous sommes des sp\u00e9cialistes du moulage au sable lourd. Que vous ayez besoin d'un lot de volants de man\u0153uvre sur mesure ou d'un contrepoids massif pour tracteur, notre installation est \u00e9quip\u00e9e pour g\u00e9rer la coul\u00e9e et l'usinage de pr\u00e9cision.<\/li>\n <li>Capacit\u00e9s d'usinage CNC 5 axes en interne<\/li>\n <li>Contr\u00f4le m\u00e9tallurgique strict et spectrom\u00e9trie<\/li>\n <li>Logistique DDP\/FOB sans faille vers l'Am\u00e9rique du Nord<\/li>\n <\/ul>\n <\/div>\n <\/section>\n\n <section id=\"faq\" class=\"faq\">\n <div class=\"container faq-container\">\n <div class=\"section-header reveal-up\">\n <span class=\"subtitle\">Base de connaissances<\/span>\n <h2>FAQ sur la coul\u00e9e de fonte grise<\/h2>\n <\/div>\n <div class=\"faq-list reveal-up delay-1\">\n <div class=\"faq-item\">\n <div class=\"faq-question\">Pourquoi utiliser la fonte grise plut\u00f4t que la fonte ductile ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>La fonte grise est g\u00e9n\u00e9ralement plus \u00e9conomique que la fonte ductile. Elle poss\u00e8de des propri\u00e9t\u00e9s d'amortissement des vibrations exceptionnelles (cruciales pour les bases de machines) et une excellente conductivit\u00e9 thermique (id\u00e9ale pour les bo\u00eetiers de moteurs). Cependant, si votre pi\u00e8ce doit r\u00e9sister \u00e0 des chocs \u00e9lev\u00e9s ou n\u00e9cessite de la flexibilit\u00e9, la fonte ductile est le meilleur choix.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Pourquoi la fonte grise est-elle si adapt\u00e9e \u00e0 l'usinage ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Les lamelles de graphite pr\u00e9sentes dans la fonte grise agissent comme un brise-copeaux naturel et un lubrifiant lors du processus d'usinage CNC. Cela permet des vitesses d'usinage beaucoup plus rapides, une usure r\u00e9duite des outils et un \u00e9tat de surface excellent par rapport \u00e0 l'acier moul\u00e9.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Quel est le poids maximum des pi\u00e8ces en fonte grise que vous pouvez couler ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Nos lignes de coulage en sable \u00e0 r\u00e9sine lourde sont \u00e9quip\u00e9es pour traiter des composants en fonte grise sur mesure allant de 50 lb \u00e0 5 000 lb (2,5 tonnes) par pi\u00e8ce unique, ce qui fait de nous un partenaire id\u00e9al pour les fabricants d'\u00e9quipements industriels de grande taille.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">La fonte grise peut-elle \u00eatre soud\u00e9e ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Le soudage de la fonte grise est notoirement difficile en raison de sa teneur \u00e9lev\u00e9e en carbone et de sa nature fragile, ce qui peut provoquer des fissures lors du cycle de chauffage et de refroidissement. Nous recommandons g\u00e9n\u00e9ralement de reconcevoir les assemblages pour qu'ils soient boulonn\u00e9s ou coul\u00e9s en une seule pi\u00e8ce monolithique plut\u00f4t que soud\u00e9s.<\/p><\/div>\n <\/div>\n <div class=\"faq-item\">\n <div class=\"faq-question\">Proposez-vous des pi\u00e8ces enti\u00e8rement usin\u00e9es ? <span class=\"faq-icon\">+<\/span><\/div>\n <div class=\"faq-answer\"><p>Oui, Kurt Foundry propose une fabrication enti\u00e8rement int\u00e9gr\u00e9e. Nous coulons les pi\u00e8ces en fonte grise et utilisons nos centres d'usinage CNC internes pour percer, fraiser, al\u00e9ser et tourner les pi\u00e8ces moul\u00e9es afin qu'elles soient pr\u00eates pour un assemblage imm\u00e9diat \u00e0 la livraison.<\/p><\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n <section class=\"cta-final\">\n <div class=\"container reveal-scale\">\n <h2>Pr\u00eat \u00e0 obtenir un devis pour votre projet de coul\u00e9e de fonte ?<\/h2>\n <p>Envoyez-nous vos dessins CAO 2D\/3D. Nos ing\u00e9nieurs de fonderie fourniront une analyse DFM compl\u00e8te et un devis B2B comp\u00e9titif sous 48 heures.<\/p>\n <a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" class=\"btn btn-white\">Obtenez votre devis gratuit maintenant<\/a>\n <\/div>\n <\/section>\n\n <footer id=\"contact\">\n <div class=\"footer-grid\">\n <div>\n <span class=\"logo-main\" style=\"color: var(--bg-white);\">Fonderie Kurt<\/span>\n <p style=\"margin-top: 1rem; line-height: 1.6;\">Votre fonderie de coul\u00e9e en sable d\u00e9di\u00e9e aux pi\u00e8ces moul\u00e9es m\u00e9talliques industrielles lourdes sur mesure. Con\u00e7ues pour la r\u00e9sistance, livr\u00e9es en Am\u00e9rique du Nord.<\/p>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Capacit\u00e9s de moulage<\/h4>\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-carbon-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier au carbone<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-stainless-steel-castings\/\">Pi\u00e8ces moul\u00e9es en acier inoxydable<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-ductile-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte ductile<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/capabilities\/custom-gray-iron-castings\/\">Pi\u00e8ces moul\u00e9es en fonte grise<\/a><\/li>\n <\/ul>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Entreprise<\/h4>\n <ul>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/about-us\/\">\u00c0 propos de notre fonderie<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/blog\/\">Blog de l'industrie<\/a><\/li>\n <li><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\">Contact & RFQ<\/a><\/li>\n <\/ul>\n <\/div>\n <div>\n <h4 style=\"color: #ffffff !important;\">Contactez-nous<\/h4>\n <ul>\n <li><a href=\"mailto:info@kurtfoundry.com\">info@kurtfoundry.com<\/a><\/li>\n <li style=\"margin-top: 0.5rem; color: #aaa;\">Ville de Weifang, Province du Shandong, Chine.<\/li>\n <li style=\"margin-top: 1.5rem;\"><a href=\"https:\/\/kurtfoundry.com\/fr\/contact\/\" style=\"color: var(--accent); font-weight:bold;\">\u2192 Envoyez-nous votre RFQ<\/a><\/li>\n <\/ul>\n <\/div>\n <\/div>\n <div class=\"footer-bottom\">\n <p>\u00a9 2026 Fonderie Kurt. Fabricant de pi\u00e8ces moul\u00e9es au sable sur mesure. Tous droits r\u00e9serv\u00e9s.<\/p>\n <div class=\"footer-bottom-links\">\n <a href=\"https:\/\/kurtfoundry.com\/fr\/privacy-policy\/\">Politique de confidentialit\u00e9<\/a>\n Plan du site\n <\/div>\n <\/div>\n <\/footer>\n\n <script>\n document.addEventListener(\"DOMContentLoaded\", function() {\n \/\/ Scroll reveal animation\n const revealElements = document.querySelectorAll(\".reveal-up, .reveal-scale\");\n const revealObserver = new IntersectionObserver((entries, observer) => {\n entries.forEach(entry => {\n if (entry.isIntersecting) {\n entry.target.classList.add(\"active\");\n }\n });\n }, { root: null, threshold: 0.1, rootMargin: \"0px 0px -20px 0px\" });\n\n revealElements.forEach(el => revealObserver.observe(el));\n\n \/\/ FAQ Accordion Logic\n const faqItems = document.querySelectorAll('.faq-item');\n faqItems.forEach(item => {\n const question = item.querySelector('.faq-question');\n question.addEventListener('click', () => {\n faqItems.forEach(otherItem => {\n if 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