{"id":2262,"date":"2021-08-12T09:00:38","date_gmt":"2021-08-12T09:00:38","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2262"},"modified":"2021-08-12T09:01:17","modified_gmt":"2021-08-12T09:01:17","slug":"is-304-stainless-steel-medical-grade","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/","title":{"rendered":"L'acier inoxydable 304 est-il de qualit\u00e9 m\u00e9dicale ?"},"content":{"rendered":"<p>Par rapport \u00e0 l\u2019acier inoxydable industriel, l\u2019acier inoxydable m\u00e9dical pr\u00e9sente des exigences plus strictes en mati\u00e8re de composition chimique, en raison de ses principales propri\u00e9t\u00e9s : r\u00e9duire la dissolution des ions m\u00e9talliques et \u00e9viter la corrosion locale, comme la corrosion intergranulaire et la corrosion due \u00e0 des contraintes. Le taux d\u2019\u00e9l\u00e9ments d\u2019alliage tels que Ni et Cr est plus \u00e9lev\u00e9 que celui de l\u2019acier inoxydable ordinaire (habituellement au-dessus du seuil de tol\u00e9rance de l\u2019acier inoxydable ordinaire), tandis que le taux d\u2019\u00e9l\u00e9ments impurifi\u00e9s tels que S et P est plus faible que celui de l\u2019acier inoxydable ordinaire. Depuis des ann\u00e9es, l\u2019acier inoxydable m\u00e9dical est devenu le mat\u00e9riau de choix pour les applications chirurgicales, notamment dans les situations critiques de soins intensifs et de chirurgie. L\u2019\u00e9l\u00e9ment Ni et Cr offrent une r\u00e9sistance \u00e0 la corrosion sup\u00e9rieure, ce qui permet d\u2019utiliser cette mati\u00e8re pour des applications n\u00e9cessitant des implants orthop\u00e9diques, des dispositifs buccaux et m\u00e9dicaux. L\u2019acier inoxydable, un type d\u2019alliages Ni-Cr, offre de nombreux avantages par rapport \u00e0 l\u2019acier inoxydable de qualit\u00e9 standard. Le type d\u2019alliage utilis\u00e9 dans l\u2019acier inoxydable m\u00e9dical utilis\u00e9 dans les instruments chirurgicaux est crucial pour la capacit\u00e9 de ces derniers \u00e0 r\u00e9sister \u00e0 la corrosion et \u00e0 rester exempts d\u2019erreurs internes et de lacunes.<\/p>\n<p>De nombreux aciers inoxydables peuvent \u00eatre utilis\u00e9s \u00e0 des fins m\u00e9dicales ; le plus courant est l\u2019acier aust\u00e9nitique 316 (AISI 316L), connu sous le nom d\u2019acier chirurgical. AISI 301 est le m\u00e9tal le plus utilis\u00e9 pour la fabrication de ressorts m\u00e9dicaux. Parmi les autres aciers inoxydables couramment utilis\u00e9s dans le domaine m\u00e9dical, on peut citer les types 420, 440 et 17-4PH. Ces aciers inoxydables martensitiques ne sont pas aussi r\u00e9sistants \u00e0 la corrosion que les aciers inoxydables aust\u00e9nitiques 316, mais ils pr\u00e9sentent une duret\u00e9 plus \u00e9lev\u00e9e. Par cons\u00e9quent, les usines de fabrication d\u2019acier inoxydable martensitique sont utilis\u00e9es pour la fabrication d\u2019outils de coupe ou d\u2019autres dispositifs non implantables. Elles offrent une \u00e9lasticit\u00e9 accrue lors du travail \u00e0 froid mais perdent en r\u00e9sistance \u00e0 la corrosion. L\u2019acier inoxydable m\u00e9dical a connu une grande popularit\u00e9 gr\u00e2ce \u00e0 sa durabilit\u00e9 in\u00e9gal\u00e9e, sa r\u00e9sistance au traitement thermique, sa fonctionnalit\u00e9 chirurgicale et sa r\u00e9sistance \u00e0 la corrosion. Il est utilis\u00e9 dans une vari\u00e9t\u00e9 d\u2019applications, notamment dans les cadres de si\u00e8ges d\u2019h\u00f4pitaux, les berceaux, les plaques d\u2019extr\u00e9mit\u00e9, les gants chirurgicaux, les supports d\u2019intubation et les agrafes. En raison de sa grande r\u00e9sistance et de la n\u00e9cessit\u00e9 de son utilisation dans des applications sp\u00e9cialis\u00e9es, il est imp\u00e9ratif que les fabricants utilisant cette qualit\u00e9 d\u2019acier inoxydable accordent une attention particuli\u00e8re \u00e0 la qualit\u00e9 et aux sp\u00e9cifications de fabrication. Les types d\u2019acier inoxydable m\u00e9dical les plus populaires utilis\u00e9s dans la fabrication d\u2019instruments chirurgicaux sont les suivants : <a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\">304<\/a> et 316. Cependant, les meilleures alliages pr\u00e9sentent un taux de carbone plus faible et ajoutent du Mo, comme les aciers 316L et 317L.<\/p>\n<p>L\u2019acier inoxydable 304, \u00e0 savoir l\u2019acier inoxydable 18-8, la s\u00e9rie 304 comprend \u00e9galement de l\u2019acier inoxydable \u00e0 faible teneur en carbone. <a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\">304L<\/a>Comme le 304H est utilis\u00e9 \u00e0 des fins r\u00e9sistantes \u00e0 la chaleur, la question se pose : le 304 inox peut-il \u00eatre utilis\u00e9 \u00e0 des fins m\u00e9dicales ? Il existe une r\u00e9alit\u00e9 : dans l\u2019acier inoxydable 1926,18% CR-8% Ni (<a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\">AISI 304<\/a>) a \u00e9t\u00e9 utilis\u00e9 pour la premi\u00e8re fois comme mat\u00e9riau d\u2019implant orthop\u00e9dique et plus tard en stomatologie. Ce n\u2019est qu\u2019en 1952 que l\u2019acier inoxydable AISI 316 contenant 2%Mo a \u00e9t\u00e9 utilis\u00e9 en clinique et a progressivement remplac\u00e9 l\u2019acier inoxydable 304. Afin de r\u00e9soudre le probl\u00e8me de corrosion intergranulaire de l\u2019acier inoxydable, dans les ann\u00e9es 1960, l\u2019acier inoxydable ultra-faible en carbone AISI 316L et AISI 317L, poss\u00e9dant de bonnes propri\u00e9t\u00e9s biocompatibles, m\u00e9caniques et une meilleure r\u00e9sistance \u00e0 la corrosion, ont commenc\u00e9 \u00e0 \u00eatre utilis\u00e9s dans le domaine m\u00e9dical. Cependant, le Ni est un facteur de sensibilisation potentiel pour l\u2019organisme humain. Ces derni\u00e8res ann\u00e9es, de nombreux pays ont limit\u00e9 la teneur en Ni dans les articles de consommation courante et les mat\u00e9riaux m\u00e9talliques m\u00e9dicaux, et la teneur maximale admissible en Ni devient de plus en plus faible. La norme europ\u00e9enne 94\/27\/CE promulgu\u00e9e en 1994 stipule que le taux de Ni contenu dans les mat\u00e9riaux implant\u00e9s dans le corps humain (mat\u00e9riaux implant\u00e9s, proth\u00e8ses orthodontiques, etc.) ne doit pas d\u00e9passer 0,105 %; pour les mat\u00e9riaux m\u00e9talliques (bijoux, montres, bagues, bracelets, etc.) expos\u00e9s \u00e0 la peau humaine pendant une longue p\u00e9riode, la quantit\u00e9 maximale de Ni ne doit pas d\u00e9passer 0,15 mg\/cm2 par semaine. Aujourd\u2019hui, le 304 est encore utilis\u00e9 dans la fabrication d\u2019instruments m\u00e9dicaux courants tels que les seringues, les ciseaux m\u00e9dicaux, les pinces et les lames de bistouri.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Compared with industrial stainless steel, medical stainless steel has more strict requirements on chemical composition because of its main properties of reducing metal ion dissolution and avoiding local corrosion such as intergranular corrosion and stress corrosion. The content of alloy elements such as Ni and Cr is higher than that of ordinary stainless steel (usually [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"304 stainless steel, namely 18-8 stainless steel, 304 series stainless steel also includes lower carbon 304L, 304H for heat-resistant purposes, there is a question, 304 stainless steel can be used for medical purposes?\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"WLD Stainless\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/wldstainless.com\\\/fr\\\/is-304-stainless-steel-medical-grade\\\/#article\",\"name\":\"Is 304 stainless steel medical grade? 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Il se pose la question : l\u2019acier inoxydable 304 peut-il \u00eatre utilis\u00e9 \u00e0 des fins m\u00e9dicales ?","canonical_url":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#article","name":"Is 304 stainless steel medical grade? | World Stainless","headline":"Is 304 stainless steel medical grade?","author":{"@id":"https:\/\/wldstainless.com\/fr\/author\/stacy\/#author"},"publisher":{"@id":"https:\/\/wldstainless.com\/fr\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/wldstainless.com\/wp-content\/uploads\/2021\/08\/ITZFC.jpg","width":500,"height":350},"datePublished":"2021-08-12T09:00:38+00:00","dateModified":"2021-08-12T09:01:17+00:00","inLanguage":"fr-FR","mainEntityOfPage":{"@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#webpage"},"isPartOf":{"@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#webpage"},"articleSection":"News"},{"@type":"BreadcrumbList","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr#listItem","position":1,"name":"Home","item":"https:\/\/wldstainless.com\/fr","nextItem":{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr\/category\/news\/#listItem","name":"News"}},{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr\/category\/news\/#listItem","position":2,"name":"News","item":"https:\/\/wldstainless.com\/fr\/category\/news\/","nextItem":{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#listItem","name":"Is 304 stainless steel medical grade?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#listItem","position":3,"name":"Is 304 stainless steel medical grade?","previousItem":{"@type":"ListItem","@id":"https:\/\/wldstainless.com\/fr\/category\/news\/#listItem","name":"News"}}]},{"@type":"Organization","@id":"https:\/\/wldstainless.com\/fr\/#organization","name":"World Stainless","url":"https:\/\/wldstainless.com\/fr\/"},{"@type":"Person","@id":"https:\/\/wldstainless.com\/fr\/author\/stacy\/#author","url":"https:\/\/wldstainless.com\/fr\/author\/stacy\/","name":"WLD Stainless","image":{"@type":"ImageObject","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#authorImage","url":"https:\/\/secure.gravatar.com\/avatar\/705f5789ef92cc5abb0bb03e81634cf75314aea4b11fe5366c20aa5519a29b7c?s=96&d=mm&r=g","width":96,"height":96,"caption":"WLD Stainless"}},{"@type":"WebPage","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#webpage","url":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/","name":"Is 304 stainless steel medical grade? | World Stainless","description":"304 stainless steel, namely 18-8 stainless steel, 304 series stainless steel also includes lower carbon 304L, 304H for heat-resistant purposes, there is a question, 304 stainless steel can be used for medical purposes?","inLanguage":"fr-FR","isPartOf":{"@id":"https:\/\/wldstainless.com\/fr\/#website"},"breadcrumb":{"@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#breadcrumblist"},"author":{"@id":"https:\/\/wldstainless.com\/fr\/author\/stacy\/#author"},"creator":{"@id":"https:\/\/wldstainless.com\/fr\/author\/stacy\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/wldstainless.com\/wp-content\/uploads\/2021\/08\/ITZFC.jpg","@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#mainImage","width":500,"height":350},"primaryImageOfPage":{"@id":"https:\/\/wldstainless.com\/fr\/is-304-stainless-steel-medical-grade\/#mainImage"},"datePublished":"2021-08-12T09:00:38+00:00","dateModified":"2021-08-12T09:01:17+00:00"},{"@type":"WebSite","@id":"https:\/\/wldstainless.com\/fr\/#website","url":"https:\/\/wldstainless.com\/fr\/","name":"World Stainless","inLanguage":"fr-FR","publisher":{"@id":"https:\/\/wldstainless.com\/fr\/#organization"}}]}},"aioseo_meta_data":{"post_id":"2262","title":"Is 304 stainless steel medical grade? | #site_title","description":"L\u2019acier inoxydable 304, \u00e0 savoir l\u2019acier inoxydable 18-8, la s\u00e9rie 304 comprend \u00e9galement l\u2019acier inoxydable \u00e0 faible teneur en carbone 304L et 304H destin\u00e9s \u00e0 des applications r\u00e9sistantes \u00e0 la chaleur. 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