{"id":8450,"date":"2025-10-09T07:00:38","date_gmt":"2025-10-09T05:00:38","guid":{"rendered":"https:\/\/mfinox.com\/?p=8450"},"modified":"2025-10-14T08:07:03","modified_gmt":"2025-10-14T06:07:03","slug":"materiaux-nitronic-50-et-17-4-ph-caracteristiques-et-avantages-pour-lindustrie-navale","status":"publish","type":"post","link":"https:\/\/mfinox.com\/fr\/materiaux-nitronic-50-et-17-4-ph-caracteristiques-et-avantages-pour-lindustrie-navale\/","title":{"rendered":"Mat\u00e9riaux NITRONIC\u00ae 50 et 17-4 PH : caract\u00e9ristiques et avantages pour l&rsquo;industrie navale"},"content":{"rendered":"<article>\n<section>Les mat\u00e9riaux <strong>NITRONIC\u00ae 50<\/strong> et <strong>17-4 PH<\/strong> repr\u00e9sentent deux solutions strat\u00e9giques pour les applications n\u00e9cessitant r\u00e9sistance m\u00e9canique, fiabilit\u00e9 et durabilit\u00e9 dans des environnements agressifs tels que ceux des<strong>industries de la marine et de la d\u00e9fense<\/strong>. Ces deux alliages sont largement utilis\u00e9s pour les <strong>boulons sp\u00e9ciaux<\/strong>, les raccords et les composants expos\u00e9s \u00e0 des conditions critiques, offrant des performances sup\u00e9rieures \u00e0 celles des aciers inoxydables traditionnels tels que l&rsquo;AISI 316 ou l&rsquo;AISI 304.<\/section>\n<section>\n<h2>Caract\u00e9ristiques de NITRONIC\u00ae 50<\/h2>\n<p>Le\u00a0<span style=\"text-decoration: underline;\"><a href=\"https:\/\/mfinox.com\/fr\/materiaux\/acier-inoxydable-nitronic-50-a193-b8r-a479-s20910-xm-19-w-1-3964\/\"><strong>NITRONIC\u00ae 50<\/strong><\/a><\/span> \u00e9galement connu sous le nom de <strong>XM-19<\/strong>, est un acier inoxydable aust\u00e9nitique pr\u00e9sentant un \u00e9quilibre exceptionnel entre <strong>r\u00e9sistance m\u00e9canique<\/strong> et <strong>r\u00e9sistance \u00e0 la corrosion<\/strong>. Il est particuli\u00e8rement adapt\u00e9 aux applications marines gr\u00e2ce aux propri\u00e9t\u00e9s suivantes :<\/p>\n<ul>\n<li><strong>R\u00e9sistance \u00e0 la corrosion<\/strong> sup\u00e9rieure \u00e0 celle de l&rsquo;AISI 316L, en particulier dans les environnements riches en chlorure<\/li>\n<li><strong>R\u00e9sistance \u00e0 la traction<\/strong>: environ 690 MPa (dans la version HS, elle peut m\u00eame d\u00e9passer 900 MPa)<\/li>\n<li><strong>Excellente t\u00e9nacit\u00e9<\/strong>, m\u00eame \u00e0 basse temp\u00e9rature<\/li>\n<li><strong>Bonne soudabilit\u00e9<\/strong> et bonne ouvrabilit\u00e9<\/li>\n<\/ul>\n<p>Il constitue un choix optimal pour les <strong>vis, les \u00e9crous et les tirants<\/strong> destin\u00e9s aux plates-formes offshore, aux installations navales et aux syst\u00e8mes de dessalement.<\/p>\n<\/section>\n<section>\n<h2>Caract\u00e9ristiques du 17-4 PH<\/h2>\n<p><span style=\"text-decoration: underline;\"><br \/>\n<a href=\"https:\/\/mfinox.com\/fr\/materiaux\/werkstoff-1-4542-aisi-630\/\">L&rsquo;acier inoxydable <strong>17-4 PH<\/strong><\/a><br \/>\n<\/span> (UNS S17400) est un alliage durcissable par pr\u00e9cipitation qui se caract\u00e9rise par une <strong>r\u00e9sistance m\u00e9canique<\/strong> \u00e9lev\u00e9e associ\u00e9e \u00e0 une bonne <strong>r\u00e9sistance \u00e0 la corrosion<\/strong>. Apr\u00e8s un traitement thermique de durcissement, il atteint des valeurs de performance remarquables :<\/p>\n<p><strong>R\u00e9sistance \u00e0 la traction<\/strong>: jusqu&rsquo;\u00e0 1100 MPa selon les conditions de livraison :<\/p>\n<div data-crb-p=\"\">\n<div class=\"xFTqob\">\n<div class=\"vM0jzc\">\n<table style=\"height: 394px;\" width=\"1006\">\n<tbody>\n<tr>\n<td width=\"99\"><strong>Mat\u00e9riau<\/strong><\/td>\n<td width=\"99\"><strong>Condition<\/strong><\/td>\n<td width=\"157\"><strong>Traitement<\/strong><\/td>\n<td width=\"181\"><strong>Cycle<\/strong><\/td>\n<td width=\"114\"><strong>duret\u00e9<\/strong><\/td>\n<td width=\"77\"><strong>norme de r\u00e9f\u00e9rence<\/strong><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"9\" width=\"99\">17-4PH (1.4542)<\/td>\n<td width=\"99\">H900 (standard)<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">482 \u00b0C x 1 h<\/td>\n<td>40-47 HRC<\/td>\n<td rowspan=\"6\" width=\"77\">AMS5643<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H925<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">496 \u00b0C x 4 h<\/td>\n<td>38-45 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1025<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">552 \u00b0C x 4 h<\/td>\n<td>34-42 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1075<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">579 \u00b0C x 4 h<\/td>\n<td>31-38 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1100<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">593 \u00b0C x 4 h<\/td>\n<td>30-37 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1150<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">621 \u00b0C x 4 h<\/td>\n<td>28-37 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1150<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">620 \u00b0C x 4 h<\/td>\n<td>min 28 HRC<\/td>\n<td rowspan=\"3\" width=\"77\">ASTM A564<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1150M<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">760 \u00b0C x 2 h<br \/>\n+620 \u00b0C x 4 h<\/td>\n<td>min 24 HRC<\/td>\n<\/tr>\n<tr>\n<td width=\"99\">H1150D<\/td>\n<td>vieillissement<\/td>\n<td width=\"181\">620 \u00b0C x 4 h<br \/>\n+620 \u00b0C x 4 h<\/td>\n<td>24-33 HRC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li><strong>Excellente duret\u00e9<\/strong> et r\u00e9sistance \u00e0 l&rsquo;usure<\/li>\n<li><strong>Bonne r\u00e9sistance en milieu marin<\/strong>, bien qu&rsquo;inf\u00e9rieure \u00e0 celle du NITRONIC\u00ae 50 en termes de corrosion localis\u00e9e.<\/li>\n<\/ul>\n<p>En raison de sa polyvalence, le <strong>17-4 PH<\/strong> est largement utilis\u00e9 pour les <strong>boulons de structure<\/strong>, les arbres, les pompes et les syst\u00e8mes de fixation qui requi\u00e8rent une grande fiabilit\u00e9.<\/p>\n<\/section>\n<section>\n<h2>Comparaison entre NITRONIC\u00ae 50 et 17-4 PH<\/h2>\n<p>Pour vous aider \u00e0 choisir le mat\u00e9riau le mieux adapt\u00e9, voici une comparaison sommaire entre NITRONIC\u00ae 50 et <strong>17-4 PH :<\/strong><\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr>\n<th>Caract\u00e9ristiques<\/th>\n<th>NITRONIC\u00ae 50 (XM-19)<\/th>\n<th>17-4 PH (UNS S17400)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Microstructure<\/td>\n<td>Aust\u00e9nitique<\/td>\n<td>Durcissable par pr\u00e9cipitation<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction (Rm)<\/td>\n<td>\u2248 690 MPa<\/td>\n<td>Jusqu&rsquo;\u00e0 1100 MPa<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la corrosion<\/td>\n<td>Excellente, sup\u00e9rieure \u00e0 celle du 316L<\/td>\n<td>Bonne, mais moins performante en eau sal\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>Applications typiques<\/td>\n<td>Boulonnerie offshore, dessalement, marine<\/td>\n<td>Boulons de structure, pompes, arbres, fixations<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Le <strong>NITRONIC\u00ae 50<\/strong> est pr\u00e9f\u00e9r\u00e9 lorsque la r\u00e9sistance \u00e0 la corrosion est une priorit\u00e9, tandis que le <strong>17-4 PH<\/strong> est id\u00e9al pour les applications n\u00e9cessitant une r\u00e9sistance m\u00e9canique et une duret\u00e9 \u00e9lev\u00e9es.<\/p>\n<\/section>\n<section>\n<h2>Applications dans l&rsquo;industrie maritime<\/h2>\n<p><strong>NITRONIC\u00ae 50<\/strong> et <strong>17-4 PH<\/strong> sont tous deux largement utilis\u00e9s dans les syst\u00e8mes et structures en contact direct avec l&rsquo;eau de mer ou les environnements salins :<\/p>\n<ul>\n<li><strong>Plates-formes offshore<\/strong>: boulons, \u00e9crous et tirants r\u00e9sistant aux chlorures et \u00e0 la corrosion localis\u00e9e<\/li>\n<li><strong>Navires et installations navales<\/strong>: composants soumis \u00e0 des charges statiques et dynamiques<\/li>\n<li><strong>Syst\u00e8mes de dessalement<\/strong>: raccords et fixations pour les environnements acides et riches en sel<\/li>\n<li><strong>Infrastructures maritimes<\/strong>: jet\u00e9es, ports et syst\u00e8mes de soutien structurel<\/li>\n<\/ul>\n<p>Le choix du mat\u00e9riau d\u00e9pend de l&rsquo;\u00e9quilibre entre les exigences m\u00e9caniques et le niveau requis de r\u00e9sistance \u00e0 la corrosion.<\/p>\n<\/section>\n<section>\n<h2>Production de MF INOX<\/h2>\n<p>Chez <strong>MF INOX<\/strong>, nous produisons des <strong>boulons sp\u00e9ciaux<\/strong> en <strong>NITRONIC\u00ae 50<\/strong> et <strong>17-4 PH<\/strong>, en garantissant la qualit\u00e9 et la certification compl\u00e8te aux normes internationales. Gr\u00e2ce \u00e0 la disponibilit\u00e9 de la mati\u00e8re premi\u00e8re en stock, nous sommes en mesure de.. :<\/p>\n<ul>\n<li>Livraison rapide dans les 24\/48 heures en cas d&rsquo;arr\u00eat d&rsquo;urgence<\/li>\n<li>Fabrication de composants personnalis\u00e9s et non standard<\/li>\n<li>Fournir la certification EN 10204 3.1 et 3.2<\/li>\n<li>Exp\u00e9dition dans le monde entier avec tra\u00e7abilit\u00e9 compl\u00e8te<\/li>\n<\/ul>\n<\/section>\n<footer>Si vous avez besoin de <strong>boulons en NITRONIC\u00ae 50 ou 17-4 PH<\/strong> pour des applications en <strong>milieu marin<\/strong>, <strong>contactez-nous<\/strong>. MF INOX est votre partenaire fiable pour des solutions rapides et certifi\u00e9es qui r\u00e9sistent aux conditions les plus extr\u00eames.<\/footer>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Les mat\u00e9riaux NITRONIC\u00ae 50 et 17-4 PH repr\u00e9sentent deux solutions strat\u00e9giques pour les applications n\u00e9cessitant r\u00e9sistance m\u00e9canique, fiabilit\u00e9 et durabilit\u00e9 dans des environnements agressifs tels que ceux desindustries de la marine et de la d\u00e9fense. Ces deux alliages sont largement utilis\u00e9s pour les boulons sp\u00e9ciaux, les raccords et les composants expos\u00e9s \u00e0 des conditions critiques, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":8440,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-8450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mat\u00e9riaux NITRONIC\u00ae 50 et 17-4 PH : caract\u00e9ristiques et avantages pour l&#039;industrie navale - M.F. 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Ces deux alliages sont largement utilis\u00e9s pour les boulons sp\u00e9ciaux, les raccords et les composants expos\u00e9s \u00e0 des conditions critiques, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mfinox.com\/fr\/materiaux-nitronic-50-et-17-4-ph-caracteristiques-et-avantages-pour-lindustrie-navale\/\" \/>\n<meta property=\"og:site_name\" content=\"M.F. 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