{"id":57096,"date":"2026-01-29T03:21:32","date_gmt":"2026-01-29T03:21:32","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=57096"},"modified":"2026-02-02T05:53:10","modified_gmt":"2026-02-02T05:53:10","slug":"differences-entre-304l-et-316l","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/differences-entre-304l-et-316l\/","title":{"rendered":"304L VS 316L : Composition chimique, performance, PREN"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"57096\" class=\"elementor elementor-57096\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d405093 e-flex e-con-boxed e-con e-parent\" data-id=\"d405093\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-459abdb elementor-widget elementor-widget-text-editor\" data-id=\"459abdb\" 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<strong>304L vs 316L<\/strong>,Les aciers inoxydables 304L et 316L appartiennent tous deux \u00e0 la famille des aciers inoxydables aust\u00e9nitiques. Ils pr\u00e9sentent de nombreuses similitudes, mais les diff\u00e9rences de composition chimique se traduisent par des niveaux de performance nettement diff\u00e9rents.\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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c6f1912 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c6f1912\" 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-d863dec\" data-id=\"d863dec\" 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-fe423dc elementor-widget elementor-widget-heading\" data-id=\"fe423dc\" 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\">L'importance de la d\u00e9signation \"L<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257b7e0 elementor-widget elementor-widget-text-editor\" data-id=\"257b7e0\" 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\tAvant de comparer 304L et 316L, il est essentiel de comprendre la signification de la d\u00e9signation \u201cL\u201d.Dans les deux qualit\u00e9s, le \u2018L\u2019 signifie des propri\u00e9t\u00e9s \u201c\u00e0 faible teneur en carbone\u201d.Alors que les aciers 304 et 316 standard ont une teneur en carbone maximale de 0,08%, les versions \u201cL\u201d limitent strictement la teneur en carbone \u00e0 0,03% ou \u00e0 une valeur inf\u00e9rieure.\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-83b59f4 elementor-widget elementor-widget-text-editor\" data-id=\"83b59f4\" 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\tLa r\u00e9duction de la teneur en carbone est tr\u00e8s b\u00e9n\u00e9fique pour le soudage de l'acier inoxydable.Une teneur \u00e9lev\u00e9e en carbone peut d\u00e9clencher une sensibilisation pendant le processus de soudage.Lorsque le chrome et le carbone se combinent aux joints de grains pour former des carbures,le m\u00e9tal perd ses propri\u00e9t\u00e9s antirouille.\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-e99c666 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e99c666\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d719b0a\" data-id=\"d719b0a\" 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-658df6b elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"658df6b\" 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\">Ce que nous faisons<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-456d63e elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"456d63e\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" 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>Plaque<\/li><li>Feuille<\/li><li>Forgeage<\/li><li>Barre ronde<\/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-49a3a4d elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"49a3a4d\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" 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>Bride<\/li><li>Tuyaux<\/li><li>Raccords<\/li><li>Sur mesure<\/li><\/ul>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4bfbfa8\" data-id=\"4bfbfa8\" 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-4a3ae29 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4a3ae29\" 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>Contactez-nous pour plus d'informations\u00a0<\/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-d154b9a elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"d154b9a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nous contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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-f763d8e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f763d8e\" 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-04c6f94\" data-id=\"04c6f94\" 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-a73bcaa elementor-widget elementor-widget-heading\" data-id=\"a73bcaa\" 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\">304L VS 316L : Composition chimique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84df844 elementor-widget elementor-widget-text-editor\" data-id=\"84df844\" 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\tLa diff\u00e9rence chimique la plus importante dans la comparaison entre 304l et 316l est l'ajout de molybd\u00e8ne. Le grade 304l contient 18% de chrome et 8% de nickel.\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-23d4d60 elementor-widget elementor-widget-text-editor\" data-id=\"23d4d60\" 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\tEn revanche, le 316L contient une teneur en chrome similaire, mais comprend 2% \u00e0 3% de molybd\u00e8ne suppl\u00e9mentaire.Le molybd\u00e8ne am\u00e9liore la r\u00e9sistance du m\u00e9tal \u00e0 la \u201ccorrosion par piq\u00fbres\u201d.La corrosion par piq\u00fbres est une forme localis\u00e9e de corrosion qui cr\u00e9e de petits trous profonds dans la paroi du tuyau.Par cons\u00e9quent, le 316L offre une r\u00e9sistance \u00e0 la corrosion nettement sup\u00e9rieure \u00e0 celle du 304L dans les environnements hostiles.\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-ecb0c49 elementor-widget elementor-widget-heading\" data-id=\"ecb0c49\" 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\">Comparaison de la composition chimique<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f904666 elementor-widget elementor-widget-text-editor\" data-id=\"f904666\" 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<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>\u00c9l\u00e9ment (%)<\/th>\n<th>Grade 304L (UNS S30403)<\/th>\n<th>Grade 316L (UNS S31603)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Cr<\/td>\n<td>18,0 \u2013 20,0<\/td>\n<td>16,0 \u2013 18,0<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Ni<\/td>\n<td>8,0 \u2013 12,0<\/td>\n<td>10,0 \u2013 14,0<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Mo<\/td>\n<td>Aucun<\/td>\n<td>2,0 \u2013 3,0<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Mn<\/td>\n<td>2.0 Max<\/td>\n<td>2.0 Max<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">C<\/td>\n<td>0,03 maximum<\/td>\n<td>0,03 maximum<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Fe<\/td>\n<td>\u00c9quilibre<\/td>\n<td>\u00c9quilibre<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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<div class=\"elementor-element elementor-element-d61fe8a e-flex e-con-boxed e-con e-parent\" data-id=\"d61fe8a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55ea325 elementor-widget elementor-widget-heading\" data-id=\"55ea325\" 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\">304L VS 316L : Propri\u00e9t\u00e9s m\u00e9caniques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10ada85 elementor-widget elementor-widget-text-editor\" data-id=\"10ada85\" 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<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Biens<\/th>\n<th>Grade 304L<\/th>\n<th>Nuance 316L<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">R\u00e9sistance \u00e0 la traction, min.<\/td>\n<td>70 ksi (485 MPa)<\/td>\n<td>70 ksi (485 MPa)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Limite d'\u00e9lasticit\u00e9 (0.2%), min.<\/td>\n<td>25 ksi (170 MPa)<\/td>\n<td>25 ksi (170 MPa)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Allongement (en 2in ou 50mm), min.<\/td>\n<td>40%<\/td>\n<td>40%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Duret\u00e9, max.<\/td>\n<td>92 HRB Max<\/td>\n<td>95 HRB Max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9966449 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9966449\" 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-c988e6c\" data-id=\"c988e6c\" 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-efc5897 elementor-widget elementor-widget-heading\" data-id=\"efc5897\" 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\">Performance dans les environnements marins et chimiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3c8670 elementor-widget elementor-widget-text-editor\" data-id=\"a3c8670\" 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<a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-en-acier-inoxydable-304-304l\/\" target=\"_blank\" rel=\"noopener\">Tube en acier inoxydable 304L<\/a> Il pr\u00e9sente une excellente r\u00e9sistance \u00e0 l'oxydation et conserve sa solidit\u00e9 dans une large gamme de temp\u00e9ratures. Cependant, il est souvent d\u00e9fectueux dans les zones c\u00f4ti\u00e8res ou dans les environnements tr\u00e8s acides.\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-188c0aa elementor-widget elementor-widget-text-editor\" data-id=\"188c0aa\" 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<a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-en-acier-inoxydable-316-316l\/\" target=\"_blank\" rel=\"noopener\">Tuyau en acier inoxydable 316L<\/a> L'ajout de molybd\u00e8ne prot\u00e8ge le tuyau en acier inoxydable contre la corrosion fissurante induite par le chlorure. C'est le mat\u00e9riau pr\u00e9f\u00e9r\u00e9 pour la production pharmaceutique et les plates-formes de forage p\u00e9trolier en mer.\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-8583a2a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8583a2a\" 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-017283b\" data-id=\"017283b\" 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-42f1118 elementor-widget elementor-widget-heading\" data-id=\"42f1118\" 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\">304L VS 316L:La valeur PREN<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbfdb26 elementor-widget elementor-widget-text-editor\" data-id=\"dbfdb26\" 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\tEn r\u00e8gle g\u00e9n\u00e9rale, le <a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/quest-ce-que-la-prenatalite\/\" target=\"_blank\" rel=\"noopener\">PREN<\/a> pour l'acier inoxydable 304L se situe entre <strong>18 et 20<\/strong>,tandis que celle de l'acier inoxydable 316L se situe g\u00e9n\u00e9ralement entre <strong>23 et 26<\/strong>.Une valeur PREN plus \u00e9lev\u00e9e indique une couche de passivation plus stable sur la surface du m\u00e9tal. Pour les raccords \u00e0 bride critiques dans les usines chimiques, une valeur PREN plus \u00e9lev\u00e9e offre une plus grande marge de s\u00e9curit\u00e9.\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<div class=\"elementor-element elementor-element-1c5d16b e-flex e-con-boxed e-con e-parent\" data-id=\"1c5d16b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7632bdb elementor-cta--layout-image-right elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"7632bdb\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/01\/304L-VS-316L-CTA-e1769657403727.webp);\" role=\"img\" aria-label=\"304L VS 316L - CTA\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tN'h\u00e9sitez pas \u00e0 nous contacter\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tKAYSUNS propose des solutions globales pour les mat\u00e9riaux de tuyauterie tels que les tuyaux, les raccords, les brides, les vannes, les plaques, les pi\u00e8ces forg\u00e9es, les lingots d'acier inoxydable, d'acier duplex et d'acier alli\u00e9, toutes sortes d'\u00e9l\u00e9ments de fixation (boulons, \u00e9crous, rondelles plates, rondelles bomb\u00e9es) et d'autres produits. Nous acceptons un service personnalis\u00e9 pour nos produits et certains d'entre eux peuvent \u00eatre fournis en petites quantit\u00e9s. Si vous avez des questions sur notre soci\u00e9t\u00e9 et nos produits, n'h\u00e9sitez pas \u00e0 nous contacter.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tObtenir un devis\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b1e0ae1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b1e0ae1\" 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-e08aaea\" data-id=\"e08aaea\" 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-31aa58c elementor-widget elementor-widget-heading\" data-id=\"31aa58c\" 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\">304L VS 316L : R\u00e9sistance m\u00e9canique et fabrication<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3612cc elementor-widget elementor-widget-text-editor\" data-id=\"b3612cc\" 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\tEn termes de propri\u00e9t\u00e9s m\u00e9caniques, le 304L et le 316L sont extr\u00eamement similaires. Ils pr\u00e9sentent tous deux une excellente ductilit\u00e9 et peuvent \u00eatre fabriqu\u00e9s dans des formes complexes telles que des coudes et des t\u00e9s.\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-03b7810 elementor-widget elementor-widget-text-editor\" data-id=\"03b7810\" 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\tCependant, le 316L est l\u00e9g\u00e8rement plus difficile \u00e0 usiner que le 304L.L'ajout de molybd\u00e8ne augmente la t\u00e9nacit\u00e9 du mat\u00e9riau, ce qui accro\u00eet l'usure des outils pendant la fabrication.N\u00e9anmoins, les deux qualit\u00e9s pr\u00e9sentent une excellente soudabilit\u00e9.En tant que mat\u00e9riaux de qualit\u00e9 \u201cL\u201d, ils ne n\u00e9cessitent g\u00e9n\u00e9ralement pas de traitement thermique apr\u00e8s soudage dans la plupart des applications de tuyauterie, ce qui permet d'\u00e9conomiser du temps et de l'argent pendant les op\u00e9rations de soudage. <a href=\"https:\/\/www.kaysuns.com\/fr\/raccords-de-tuyauterie-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">Raccord de tuyauterie en acier inoxydable<\/a> l'assembl\u00e9e.\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-f5a4a88 elementor-widget elementor-widget-heading\" data-id=\"f5a4a88\" 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\">Guide d'application : Choisir le bon grade<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0fbfc1f elementor-widget elementor-widget-text-editor\" data-id=\"0fbfc1f\" 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<table><tbody><tr bgcolor=\"#00a0e9\"><th>Applications industrielles<\/th><th>Niveau recommand\u00e9<\/th><th>Raison de la s\u00e9lection<\/th><\/tr><tr><td bgcolor=\"#05B8E4\">Alimentation et boissons<\/td><td rowspan=\"2\">304L<\/td><td>\u00c9conomique et sanitaire<\/td><\/tr><tr><td bgcolor=\"#05B8E4\">Habillages architecturaux<\/td><td>Esth\u00e9tique et abordable<\/td><\/tr><tr><td bgcolor=\"#05B8E4\">Lignes d'eau c\u00f4ti\u00e8res<\/td><td rowspan=\"3\">316L<\/td><td>R\u00e9sistance \u00e9lev\u00e9e \u00e0 la corrosion par l'air salin<\/td><\/tr><tr><td bgcolor=\"#05B8E4\">Produits pharmaceutiques<\/td><td>Emp\u00eache la contamination m\u00e9tallique<\/td><\/tr><tr><td bgcolor=\"#05B8E4\">Traitement chimique<\/td><td>Manipulation d'acides et de chlorures agressifs<\/td><\/tr><\/tbody><\/table>\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-8c3be0e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8c3be0e\" 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-e0a9481\" data-id=\"e0a9481\" 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-849d19d elementor-widget elementor-widget-heading\" data-id=\"849d19d\" 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\">304L VS 316L : co\u00fbt et long\u00e9vit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-620a6e0 elementor-widget elementor-widget-text-editor\" data-id=\"620a6e0\" 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\tEn raison de sa teneur en molybd\u00e8ne et de sa teneur plus \u00e9lev\u00e9e en nickel, le 316L est plus cher. G\u00e9n\u00e9ralement, le 316L co\u00fbte 20% \u00e0 30% de plus que le 304L.\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-fc66a03 elementor-widget elementor-widget-text-editor\" data-id=\"fc66a03\" 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\tL'installation d'une tuyauterie en 304L dans un environnement \u00e0 forte salinit\u00e9 peut entra\u00eener une corrosion au bout de cinq ans. Le co\u00fbt de remplacement d'une telle tuyauterie d\u00e9passe de loin le prix d'achat initial du 316L. Par cons\u00e9quent, lorsque les syst\u00e8mes de tuyauterie sont confront\u00e9s \u00e0 des environnements corrosifs, le 316L s'av\u00e8re \u00eatre un choix d'investissement \u00e0 long terme plus \u00e9conomique.\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-8126178 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8126178\" 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-50 elementor-top-column elementor-element elementor-element-b3cf5f1\" data-id=\"b3cf5f1\" 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-01428a6 elementor-widget elementor-widget-heading\" data-id=\"01428a6\" 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\">Nous contacter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cc9efb elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"6cc9efb\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tPrendre contact\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af68978 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