{"id":861,"date":"2026-04-09T12:36:34","date_gmt":"2026-04-09T04:36:34","guid":{"rendered":""},"modified":"2026-04-09T23:39:08","modified_gmt":"2026-04-10T03:39:08","slug":"stainless-steel-grade-selection-flanges-304-316-321-347","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/fr\/2026\/04\/09\/stainless-steel-grade-selection-flanges-304-316-321-347\/","title":{"rendered":"S\u00e9lection des qualit\u00e9s d'acier inoxydable pour les brides : 304 vs 316 vs 321 vs 347"},"content":{"rendered":"<figure class=\"flange-image\"><\/figure>\n<h1>S\u00e9lection des qualit\u00e9s d'acier inoxydable pour les brides : 304 vs 316 vs 321 vs 347<\/h1>\n<p><strong>Choisir la bonne qualit\u00e9 d'acier inoxydable<\/strong> est essentiel pour la performance de la bride dans votre application sp\u00e9cifique. Un mat\u00e9riau inadapt\u00e9 peut entra\u00eener une d\u00e9faillance pr\u00e9matur\u00e9e, de la corrosion et des temps d'arr\u00eat co\u00fbteux.<\/p>\n<h2>Grades d'acier inoxydable courants pour les brides<\/h2>\n<h3>Acier inoxydable 304\/304L<\/h3>\n<ul>\n<li><strong>Composition :<\/strong> 18% Cr, 8% Ni<\/li>\n<li><strong>Caract\u00e9ristiques :<\/strong> Excellente r\u00e9sistance \u00e0 la corrosion, bonne aptitude \u00e0 la mise en forme<\/li>\n<li><strong>Plage de temp\u00e9rature :<\/strong> De -196\u00b0C \u00e0 800\u00b0C<\/li>\n<li><strong>Applications :<\/strong> Agroalimentaire, chimie, traitement de l'eau<\/li>\n<li><strong>Normes :<\/strong> ASTM A182 F304\/F304L, EN 1.4301\/1.4307<\/li>\n<\/ul>\n<h3>Acier inoxydable 316\/316L<\/h3>\n<ul>\n<li><strong>Composition :<\/strong> 16% Cr, 10% Ni, 2% Mo<\/li>\n<li><strong>Caract\u00e9ristiques :<\/strong> R\u00e9sistance sup\u00e9rieure aux chlorures, qualit\u00e9 marine<\/li>\n<li><strong>Plage de temp\u00e9rature :<\/strong> De -196\u00b0C \u00e0 850\u00b0C<\/li>\n<li><strong>Applications :<\/strong> Marine, offshore, traitement chimique<\/li>\n<li><strong>Normes :<\/strong> ASTM A182 F316\/F316L, EN 1.4401\/1.4404<\/li>\n<\/ul>\n<h3>Acier inoxydable 321<\/h3>\n<ul>\n<li><strong>Composition :<\/strong> 18% Cr, 10% Ni, Ti stabilis\u00e9<\/li>\n<li><strong>Caract\u00e9ristiques :<\/strong> Excellente r\u00e9sistance \u00e0 la corrosion intergranulaire<\/li>\n<li><strong>Plage de temp\u00e9rature :<\/strong> De -196\u00b0C \u00e0 900\u00b0C<\/li>\n<li><strong>Applications :<\/strong> Service \u00e0 haute temp\u00e9rature, syst\u00e8mes d'\u00e9chappement<\/li>\n<li><strong>Normes :<\/strong> ASTM A182 F321, EN 1.4541<\/li>\n<\/ul>\n<h3>Acier inoxydable 347<\/h3>\n<ul>\n<li><strong>Composition :<\/strong> 18% Cr, 10% Ni, Nb stabilis\u00e9<\/li>\n<li><strong>Caract\u00e9ristiques :<\/strong> R\u00e9sistance sup\u00e9rieure \u00e0 haute temp\u00e9rature<\/li>\n<li><strong>Plage de temp\u00e9rature :<\/strong> De -196\u00b0C \u00e0 900\u00b0C<\/li>\n<li><strong>Applications :<\/strong> Production d'\u00e9lectricit\u00e9, p\u00e9trochimie<\/li>\n<li><strong>Normes :<\/strong> ASTM A182 F347, EN 1.4550<\/li>\n<\/ul>\n<h2>Guide de s\u00e9lection des mat\u00e9riaux<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Application<\/th>\n<th>Niveau recommand\u00e9<\/th>\n<\/tr>\n<tr>\n<td>Alimentation et boissons<\/td>\n<td>304\/304L<\/td>\n<\/tr>\n<tr>\n<td>Marine\/Offshore<\/td>\n<td>316\/316L<\/td>\n<\/tr>\n<tr>\n<td>Haute temp\u00e9rature<\/td>\n<td>321\/347<\/td>\n<\/tr>\n<tr>\n<td>Traitement chimique<\/td>\n<td>316L\/904L<\/td>\n<\/tr>\n<tr>\n<td>Cryog\u00e9nique<\/td>\n<td>304L\/316L<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde Obtenir une recommandation mat\u00e9rielle<\/h3>\n<p><strong>WhatsApp :<\/strong> +86-18658777855<\/p>\n<p><strong>Courriel :<\/strong> 1007788887@qq.com<\/p>\n<\/div>\n<p><a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Complete guide to stainless steel grades for flanges. Compare 304, 316, 321, 347 properties and select the right material for your application.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-861","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/comments?post=861"}],"version-history":[{"count":5,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/861\/revisions"}],"predecessor-version":[{"id":901,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/861\/revisions\/901"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/media?parent=861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/categories?post=861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/tags?post=861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}