{"id":9261,"date":"2025-09-28T02:21:05","date_gmt":"2025-09-28T02:21:05","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=9261"},"modified":"2026-01-13T14:27:27","modified_gmt":"2026-01-13T14:27:27","slug":"alliage-de-fonderie-daluminium-a357","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/fr\/produit\/alliage-de-fonderie-daluminium-a357\/","title":{"rendered":"Alliage de fonderie d'aluminium A357"},"content":{"rendered":"<h2>Description<\/h2>\n<p>Linsy A357 est un produit haut de gamme <strong>alliage de coul\u00e9e aluminium-silicium<\/strong> connue pour sa combinaison exceptionnelle de <strong>haute r\u00e9sistance, excellente soudabilit\u00e9 et \u00e9tanch\u00e9it\u00e9 sup\u00e9rieure \u00e0 la pression<\/strong>. Sa microstructure fine et sa faible teneur en fer garantissent une porosit\u00e9 minimale et une grande int\u00e9grit\u00e9. G\u00e9n\u00e9ralement trait\u00e9 thermiquement jusqu'\u00e0 la <strong>Temp\u00e9rament T6<\/strong>Il offre des performances fiables dans les pi\u00e8ces moul\u00e9es \u00e0 parois minces soumises \u00e0 de fortes contraintes.<\/p>\n<h2>Application de l'alliage de fonderie d'aluminium A357<\/h2>\n<ul>\n<li>Composants a\u00e9rospatiaux (roues, bo\u00eetiers)<\/li>\n<li>Pi\u00e8ces pour pompes d'avion<\/li>\n<li>Pi\u00e8ces automobiles de haute performance<\/li>\n<li>Roues de compresseur<\/li>\n<li>Composants \u00e9lectriques<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3077 size-full\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application.png\" alt=\"Alliage de fonderie d&#039;aluminium A357 pour l&#039;a\u00e9rospatiale et l&#039;automobile\" width=\"800\" height=\"600\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application-600x450.png 600w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/7075-application-285x214.png 285w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Composition chimique<\/h2>\n<div class=\"table-responsive\">\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid grey;\">\n<tbody>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">\u00c9l\u00e9ment<\/span><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Pourcentage %<\/span><\/strong><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Si<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">6.5-7.5<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Fe<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.15 Max<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Cu<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.1 Max<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Mn<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.15 Max<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">\u00catre<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.04-0.35<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Zn<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.003-0.007<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Ti<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.1-0.2<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Autres\/chacun<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0,03 Max<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Autres\/Total<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.10 Max<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">AI<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">Rappel<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Propri\u00e9t\u00e9s m\u00e9caniques et temp\u00e9ratures<\/h2>\n<div class=\"table-responsive\">\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid grey;\">\n<tbody>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">Aluminium<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">A357 T6<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">Densit\u00e9<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">2,65-2,71 g\/cm\u00b3<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">Plage de fusion<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">549-626 \u00b0C<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">Conductivit\u00e9 thermique<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">150-160 W\/m-\u00b0C<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">R\u00e9sistance \u00e0 la traction, ultime<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">306-332 MPa<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">R\u00e9sistance \u00e0 la traction, limite d'\u00e9lasticit\u00e9<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">244-263 MPa<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">Allongement \u00e0 la rupture %<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">3.8-4.6%<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><span style=\"font-size: 14px; font-weight: bold;\">R\u00e9sistance \u00e0 la fatigue<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">76,5-93,5 MPa<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Fonctionnalit\u00e9<\/h2>\n<ul>\n<li><strong>Haute r\u00e9sistance :<\/strong> Lorsqu'il est trait\u00e9 thermiquement \u00e0 l'\u00e9tat T6, l'A357 est l'un des alliages d'aluminium coul\u00e9s au sable les plus r\u00e9sistants qui soient.<\/li>\n<li><strong>Excellente coulabilit\u00e9 :<\/strong> La teneur en silicium de l'A357 am\u00e9liore sa fluidit\u00e9 au cours du processus de moulage, ce qui lui permet d'\u00eatre transform\u00e9 en pi\u00e8ces complexes.<\/li>\n<li><strong>R\u00e9sistance \u00e0 la corrosion :<\/strong> Il pr\u00e9sente une bonne r\u00e9sistance \u00e0 la corrosion, m\u00eame dans des environnements difficiles tels que les applications marines.<\/li>\n<li><strong>Soudabilit\u00e9 :<\/strong> L'A357 pr\u00e9sente de bonnes caract\u00e9ristiques de soudage, mais il n\u00e9cessite g\u00e9n\u00e9ralement un traitement thermique apr\u00e8s soudage.<\/li>\n<\/ul>\n<h2>Pourquoi choisir l'aluminium A357 de Linsy ?<\/h2>\n<p>Linsy Aluminum est un fournisseur de premier plan de produits en aluminium. Nous fournissons des produits pour plusieurs industries. Celles-ci comprennent l'a\u00e9rospatiale, l'ing\u00e9nierie g\u00e9n\u00e9rale, l'automobile, la construction navale et les utilisations industrielles sp\u00e9ciales.<\/p>\n<p>Nous nous soucions vraiment de la qualit\u00e9 et de l'environnement. Nous le prouvons par nos certifications. Nous sommes certifi\u00e9s ISO 9001:2008 pour la gestion de la qualit\u00e9. Nous sommes \u00e9galement certifi\u00e9s ISO 14001:2004 pour la gestion de l'environnement. Enfin, nous avons obtenu la certification OHSAS 18001:2007 pour la sant\u00e9 et la s\u00e9curit\u00e9 au travail.<\/p>\n<p>Linsy Aluminum exp\u00e9die ses produits en Europe et dans de nombreux autres pays. Il s'agit notamment de l'Afrique du Sud, du Br\u00e9sil, de Singapour, de la Turquie, du Japon, de la Cor\u00e9e du Sud et de plusieurs pays d'Asie du Sud.<\/p>\n<p><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/api.whatsapp.com\/send?phone=8618124703776\"><strong><em>Obtenez un devis rapide d\u00e8s maintenant !<\/em><\/strong><\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Linsy A357 est un produit haut de gamme <b>alliage de coul\u00e9e aluminium-silicium<\/b> connue pour sa combinaison exceptionnelle de <b>haute r\u00e9sistance, excellente soudabilit\u00e9 et \u00e9tanch\u00e9it\u00e9 sup\u00e9rieure \u00e0 la pression<\/b>. Sa microstructure fine et sa faible teneur en fer garantissent une porosit\u00e9 minimale et une grande int\u00e9grit\u00e9. G\u00e9n\u00e9ralement trait\u00e9 thermiquement jusqu'\u00e0 la <b>Temp\u00e9rament T6<\/b>Il offre des performances fiables dans les pi\u00e8ces moul\u00e9es \u00e0 parois minces soumises \u00e0 de fortes contraintes.<\/p>","protected":false},"featured_media":9319,"template":"","meta":{"_seopress_titles_title":"A357 Aluminum Casting Alloy | En Aw | ISO9001 Certified","_seopress_titles_desc":"Source the ideal A357 aluminum alloy for your project. All ISO & ASTM certified. Low MOQs. 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