{"id":36205,"date":"2022-06-24T14:00:38","date_gmt":"2022-06-24T14:00:38","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=36205"},"modified":"2025-09-01T07:23:27","modified_gmt":"2025-09-01T07:23:27","slug":"alliage-321-acier-inoxydable","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/alliage-321-acier-inoxydable\/","title":{"rendered":"Alliage 321 Acier inoxydable"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"36205\" class=\"elementor elementor-36205\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-80a307b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"80a307b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-20f1361\" data-id=\"20f1361\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-025514d elementor-widget elementor-widget-image\" data-id=\"025514d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"202\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel-300x202.webp\" class=\"attachment-medium size-medium wp-image-45625\" alt=\"321-acier inoxydable\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel-300x202.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel-1024x690.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel-768x517.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel-18x12.webp 18w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/321-stainless-steel.webp 1122w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-423829a elementor-widget elementor-widget-heading\" data-id=\"423829a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que l'acier inoxydable 321<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4990354 elementor-widget elementor-widget-text-editor\" data-id=\"4990354\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L'acier inoxydable 321 est un acier inoxydable stable dont le principal avantage est son excellente r\u00e9sistance \u00e0 la corrosion. <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\" rel=\"noopener\">corrosion intergranulaire<\/a> dans la plage de temp\u00e9ratures \u00e9lev\u00e9es de 800\u00b0F \u00e0 1500\u00b0F (427\u00b0C \u00e0 816\u00b0C) pour la pr\u00e9cipitation du carbure de chrome. Les tubes en acier inoxydable alli\u00e9s 321 sont stabilis\u00e9s par l'ajout de titane pour former du carbure de chrome.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f69a815 elementor-widget elementor-widget-heading\" data-id=\"f69a815\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Composition chimique de l'acier inoxydable 321<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaf406f elementor-widget elementor-widget-image\" data-id=\"aaf406f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"205\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel-1024x205.webp\" class=\"attachment-large size-large wp-image-45626\" alt=\"composition chimique de l&#039;acier inoxydable 321\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel-1024x205.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel-300x60.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel-768x154.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel-18x4.webp 18w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2022\/06\/chemical-composition-of-321-stainless-steel.webp 1160w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f5ea0fe elementor-widget elementor-widget-heading\" data-id=\"f5ea0fe\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Caract\u00e9ristiques de l'acier inoxydable 321<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7728d79 elementor-widget elementor-widget-text-editor\" data-id=\"7728d79\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L'acier inoxydable 321 est un acier inoxydable aust\u00e9nitique Ni-Cr-Mo dont les propri\u00e9t\u00e9s sont tr\u00e8s similaires \u00e0 celles de l'acier 304, mais qui pr\u00e9sente une meilleure r\u00e9sistance \u00e0 la corrosion des joints de grains et une meilleure r\u00e9sistance \u00e0 haute temp\u00e9rature gr\u00e2ce \u00e0 l'ajout de titane. L'ajout de titane permet de contr\u00f4ler efficacement la formation de carbure de chrome. L'acier inoxydable aust\u00e9nitique 321 pr\u00e9sente une meilleure r\u00e9sistance \u00e0 la corrosion dans l'atmosph\u00e8re et est largement utilis\u00e9 dans les secteurs de la p\u00e9trochimie, de l'\u00e9nergie \u00e9lectrique, des ponts et de l'automobile. La capacit\u00e9 du tube en acier inoxydable 321 \u00e0 r\u00e9sister \u00e0 la corrosion dans l'atmosph\u00e8re est tr\u00e8s importante. <a href=\"https:\/\/www.kaysuns.com\/fr\/quest-ce-que-la-sensibilisation-de-lacier-inoxydable-et-comment-leviter\/\" target=\"_blank\" rel=\"noopener\">sensibilisation<\/a>Combin\u00e9 \u00e0 une plus grande r\u00e9sistance \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es, il convient aux applications pour lesquelles <a href=\"\/fr\/quest-ce-que-lacier-304\/\" target=\"_blank\" rel=\"noopener\">304<\/a> sensibilisera ou <a href=\"\/fr\/quest-ce-que-lacier-304l\/\" target=\"_blank\" rel=\"noopener\">304L<\/a> n'est pas assez r\u00e9sistant sur le plan thermique. L'acier inoxydable 321 n'est pas sujet \u00e0 la corrosion intergranulaire due \u00e0 la d\u00e9gradation des soudures lorsqu'il est expos\u00e9 \u00e0 des temp\u00e9ratures l\u00e9g\u00e8rement \u00e9lev\u00e9es. <a href=\"https:\/\/www.kaysuns.com\/fr\/quels-sont-les-environnements-corrosifs-pour-les-tuyauteries\/\" target=\"_blank\" rel=\"noopener\">environnements corrosifs<\/a>. Cependant, le 321 soud\u00e9 ne doit jamais \u00eatre utilis\u00e9 dans des environnements tr\u00e8s oxydants, car il est sensible \u00e0 l'\u00e9rosion \"en ligne de couteau\". Cependant, dans les environnements o\u00f9 les temp\u00e9ratures de fonctionnement sont sup\u00e9rieures \u00e0 500\u00b0 C, le 321 est un bon choix. Les tubes en acier inoxydable 321 pr\u00e9sentent des caract\u00e9ristiques de fluage et de rupture sous contrainte plus \u00e9lev\u00e9es que les tubes en acier inoxydable 304. Nous pouvons consid\u00e9rer les aciers inoxydables 321 et 321H comme des versions avanc\u00e9es de l'acier inoxydable 304. Ils se distinguent par l'ajout d'une tr\u00e8s faible quantit\u00e9 de titane et le 321 contient \u00e9galement un peu plus de nickel que le 304. Les aciers 321 et 321H se distinguent par leur teneur en carbone. Plus la teneur en carbone est \u00e9lev\u00e9e, plus la limite d'\u00e9lasticit\u00e9 et la r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es sont importantes. L'acier inoxydable 321 pr\u00e9sente des avantages dans les environnements \u00e0 haute temp\u00e9rature en raison de ses excellentes propri\u00e9t\u00e9s m\u00e9caniques. Par rapport \u00e0 l'alliage 304, l'acier inoxydable 321 pr\u00e9sente une meilleure ductilit\u00e9 et une meilleure r\u00e9sistance \u00e0 la rupture sous contrainte. Le TP304L est un acier inoxydable plus facilement disponible et moins co\u00fbteux que le 321. Par cons\u00e9quent, si l'environnement de service ne requiert que <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-post-soudure\/\" target=\"_blank\" rel=\"noopener\">post-soudure<\/a> <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\" rel=\"noopener\">corrosion intergranulaire<\/a>304L est g\u00e9n\u00e9ralement pr\u00e9f\u00e9r\u00e9. Cependant, la r\u00e9sistance thermique du 304L est inf\u00e9rieure \u00e0 celle du 321 et ce n'est donc pas le meilleur choix si la r\u00e9sistance \u00e0 des environnements de fonctionnement sup\u00e9rieurs \u00e0 environ 500\u00b0C est requise.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-657864e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"657864e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-91c2d94\" data-id=\"91c2d94\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7be75aa elementor-widget elementor-widget-heading\" data-id=\"7be75aa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Note \u00e9quivalente<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51ef6dd elementor-widget elementor-widget-text-editor\" data-id=\"51ef6dd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>FR : 1.4541<\/li><li>GB : 0Cr18Ni11Ti<\/li><li>GOST : 12\u042518\u041d10\u0422<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-365745a elementor-widget elementor-widget-heading\" data-id=\"365745a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Standard<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc44729 elementor-widget elementor-widget-text-editor\" data-id=\"fc44729\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>ASTM A240\/ASME SA-240M,<\/li><li>ASTM A276\/SA 276M<\/li><li>ASTM A182\/ASME SA-182M<\/li><li>ASTM A312\/ASME SA-312M<\/li><li>EN 10888<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b5537e elementor-widget elementor-widget-heading\" data-id=\"7b5537e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Applications de l'acier inoxydable 321<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-319d4a5 elementor-widget elementor-widget-text-editor\" data-id=\"319d4a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Hottes de recuit, \u00e9quipements de trempe \u00e0 haute temp\u00e9rature, gaz d'\u00e9chappement des moteurs diesel et des poids lourds, pare-feu, rev\u00eatements de chemin\u00e9e, enveloppes de chaudi\u00e8re, r\u00e9cipients sous pression soud\u00e9s, composants d'avion, soufflets, \u00e9quipements de raffinerie de p\u00e9trole, fixations, ressorts...<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb8695b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb8695b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-143af4f\" data-id=\"143af4f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b6fde4 elementor-widget elementor-widget-heading\" data-id=\"9b6fde4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ce que nous faisons avec les 321 SS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8076fd7 elementor-widget elementor-widget-text-editor\" data-id=\"8076fd7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nous produisons et vendons <a href=\"https:\/\/www.kaysuns.com\/fr\/tubes-en-acier-inoxydable\/\" target=\"_blank\">Tubes en acier inoxydable 321<\/a>Nous pouvons \u00e9galement fournir des plaques d'acier 321, de l'acier rond et d'autres produits. Si vous avez des questions sur le 321, n'h\u00e9sitez pas \u00e0 nous contacter.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0cba6 elementor-widget elementor-widget-heading\" data-id=\"5a0cba6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00cates-vous int\u00e9ress\u00e9 par l'acier inoxydable 321 ? Contactez-nous d\u00e8s maintenant &gt;&gt;&gt;\nNom *\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e98c007 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"e98c007\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"Nouveau formulaire\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"36205\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"e98c007\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Alloy 321 Stainless Steel - 1.4541 - 12\u042518\u041d10\u0422 | KAYSUNS\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"36205\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tNom\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nom\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCourriel :\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Courriel :\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_2886c9f elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_2886c9f\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LdwwZUbAAAAAK75C0Nw7twMoqOmGrEq3AAkFLOy\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Envoyer<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Qu'est-ce que l'acier inoxydable 321 L'acier inoxydable 321 est un acier inoxydable stable dont le principal avantage est son excellente r\u00e9sistance \u00e0 la corrosion intergranulaire dans la plage de temp\u00e9ratures \u00e9lev\u00e9es de 800\u00b0F \u00e0 1500\u00b0F (427\u00b0C \u00e0 816\u00b0C) pour la pr\u00e9cipitation du carbure de chrome. Les tubes en acier inoxydable alli\u00e9s 321 sont stabilis\u00e9s par l'ajout de titane pour former du carbure de chrome....&nbsp;<a href=\"https:\/\/www.kaysuns.com\/fr\/alliage-321-acier-inoxydable\/\" rel=\"bookmark\">Lire plus \"<span class=\"screen-reader-text\">Alliage 321 Acier inoxydable<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":45569,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[316],"tags":[],"class_list":["post-36205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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