{"id":8306,"date":"2025-03-15T06:44:06","date_gmt":"2025-03-15T06:44:06","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=8306"},"modified":"2026-01-11T15:01:48","modified_gmt":"2026-01-11T15:01:48","slug":"alliage-daluminium-4643","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/fr\/produit\/alliage-daluminium-4643\/","title":{"rendered":"4643 Alliage d'aluminium"},"content":{"rendered":"<h2>Description<\/h2>\n<div>\n<p><strong>4643 aluminium<\/strong> est un <strong>alliage silicium-aluminium<\/strong> principalement utilis\u00e9 comme <strong>m\u00e9tal d'apport<\/strong> dans les applications de soudage. Il contient environ <strong>5% silicium<\/strong>, ce qui renforce son <strong>fluidit\u00e9<\/strong>, <strong>r\u00e9sistance aux fissures<\/strong>et <strong>r\u00e9sistance \u00e0 la corrosion<\/strong>. Il est <strong>non traitable \u00e0 la chaleur<\/strong>, a <strong>force mod\u00e9r\u00e9e<\/strong>Il est principalement utilis\u00e9 dans les secteurs de l'agriculture et de la p\u00eache. <strong>soudage de la s\u00e9rie 6000<\/strong> alliages d'aluminium.<\/p>\n<\/div>\n<h2>Application de l'alliage d'aluminium 4643<\/h2>\n<ul>\n<li>Utilisations dans la coul\u00e9e et la fonderie<\/li>\n<li>Fils et mat\u00e9riaux d'apport pour le soudage<\/li>\n<li>Syst\u00e8mes d'\u00e9changeurs de chaleur<\/li>\n<li>Proc\u00e9d\u00e9s de brasage<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3073 size-full\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application.png\" alt=\"4643 Alliage d&#039;aluminium Application\" width=\"800\" height=\"600\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application-600x450.png 600w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/06\/6060-application-285x214.png 285w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Sp\u00e9cifications<\/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;\"><strong><span style=\"font-size: 14px;\">Alliage<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Temp\u00e9rer<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">\u00c9paisseur (mm)<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Largeur (mm)<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Longueur (mm)<\/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;\">4643 Alu. Feuille\/feuillard<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">T6<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.3-600<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">500-2600<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">500-16000<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\" colspan=\"5\"><span style=\"font-size: 14px;\">La longueur, la largeur et la hauteur peuvent \u00eatre personnalis\u00e9es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\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;\"><strong><span style=\"font-size: 14px;\">Alliage<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Temp\u00e9rer<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Diam\u00e8tre ext\u00e9rieur (mm)<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Diam\u00e8tre int\u00e9rieur (mm)<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Longueur (mm)<\/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;\">4643 Alu. Tube<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">T6<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">\u03a61 - 17 000 mm<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\">\u03a60.5 - 1500mm<\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">5-20,000<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\" colspan=\"5\"><span style=\"font-size: 14px;\">La longueur, la largeur et la hauteur peuvent \u00eatre personnalis\u00e9es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\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;\"><strong><span style=\"font-size: 14px;\">Alliage<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Temp\u00e9rer<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Diam\u00e8tre (mm)<\/span><\/strong><\/td>\n<td style=\"text-align: center; background-color: #e67e23; border: 1px solid grey;\"><strong><span style=\"font-size: 14px;\">Longueur (mm)<\/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;\">4643 Alu. Barre<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">T6<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">\u03a61 - 10 000 mm<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">5-20,000<\/span><\/td>\n<\/tr>\n<tr style=\"border: 1px solid grey;\">\n<td style=\"text-align: center; border: 1px solid grey;\" colspan=\"5\"><span style=\"font-size: 14px;\">La longueur, la largeur et la hauteur peuvent \u00eatre personnalis\u00e9es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\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;\">3.6-4.6<\/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;\">0,8 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;\">0,05 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;\">Mg<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">0.1-0.3<\/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;\">Cr<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">\u2013<\/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;\">0.1 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;\">Ti<\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\"><span style=\"font-size: 14px;\">\u2013<\/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;\">0.05<\/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;\">0.15 <\/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;\">4643<\/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;\">280-360 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;\"><b>Allongement \u00e0 la rupture %<\/b><\/span><\/td>\n<td style=\"text-align: center; border: 1px solid grey;\">2.2-18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Fonctionnalit\u00e9<\/h2>\n<ul>\n<li>Grande r\u00e9sistance \u00e0 la rouille, en particulier dans l'eau de mer<\/li>\n<li>Haute r\u00e9sistance<\/li>\n<li>Facile \u00e0 souder et conducteur d'\u00e9lectricit\u00e9<\/li>\n<li>Bonne r\u00e9sistance \u00e0 l'oxydation<\/li>\n<\/ul>\n<h2>Pourquoi choisir Linsy<\/h2>\n<p>Linsy Aluminum est un fournisseur de premier plan de produits en aluminium. Nous travaillons avec plusieurs industries. Il s'agit notamment de l'a\u00e9rospatiale, de l'ing\u00e9nierie g\u00e9n\u00e9rale, de l'automobile, de la construction navale et d'autres utilisations industrielles sp\u00e9ciales.<\/p>\n<p>Nous nous effor\u00e7ons de maintenir la meilleure qualit\u00e9 possible et d'\u00eatre responsables vis-\u00e0-vis de l'environnement. Nous le d\u00e9montrons par nos certifications : ISO 9001:2008 pour la gestion de la qualit\u00e9, ISO 14001:2004 pour la gestion de l'environnement et OHSAS 18001:2007 pour la sant\u00e9 et la s\u00e9curit\u00e9 au travail.<\/p>\n<p>Linsy Aluminum vend ses produits en Europe et dans plusieurs autres r\u00e9gions. 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 d'autres pays d'Asie du Sud.<\/p>\n<p><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/premiumalu.com\/fr\/a-propos-de-nous\/\"><strong><em>EN SAVOIR PLUS SUR LINSY ALUMINIUM<\/em><\/strong><\/a><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Alliage d'aluminium 4643<\/strong> est un alliage corroy\u00e9 non traitable \u00e0 chaud. <span class=\"citation-0 recitation citation-end-0\">Il est principalement connu comme fil d'apport pour le soudage.<\/span> <span class=\"citation-1 recitation citation-end-1\">Il contient du silicium et du magn\u00e9sium comme principaux \u00e9l\u00e9ments d'alliage, le silicium \u00e9tant le composant le plus important (environ 4%).<\/span> Il appartient \u00e0 la s\u00e9rie 4000 des alliages d'aluminium, o\u00f9 le silicium est le principal \u00e9l\u00e9ment d'alliage utilis\u00e9 pour abaisser le point de fusion et am\u00e9liorer la fluidit\u00e9 pour les applications de soudage. L'alliage 4643 est particuli\u00e8rement recommand\u00e9 pour le soudage de m\u00e9taux de base en aluminium \u00e9pais ou lourds de la s\u00e9rie 6xxx.<\/p>","protected":false},"featured_media":8487,"template":"","meta":{"_seopress_titles_title":"4643 Aluminum \/ AlSi4Mg0.2 | En Aw | ISO9001 Certified","_seopress_titles_desc":"Source the ideal 4643 aluminum alloy for your project. Choose from sheet, plate, bar, tube, and profile options. All ISO & En AW certified. 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