{"id":6142,"date":"2025-04-26T08:01:33","date_gmt":"2025-04-26T08:01:33","guid":{"rendered":"https:\/\/hingesmanufacturers.com\/?p=6142"},"modified":"2025-08-30T03:34:43","modified_gmt":"2025-08-30T03:34:43","slug":"guide-en-acier-inoxydable-304","status":"publish","type":"post","link":"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/","title":{"rendered":"Guide de l'acier inoxydable 304 : Propri\u00e9t\u00e9s, avantages et utilisations industrielles"},"content":{"rendered":"<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"381\" height=\"515\" src=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1234-3.png\" alt=\"Acier inoxydable 304\" class=\"wp-image-6143\" style=\"width:240px;height:auto\" srcset=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1234-3.png 381w, https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1234-3-222x300.png 222w\" sizes=\"auto, (max-width: 381px) 100vw, 381px\" \/><\/figure>\n\n\n\n<p>L'acier inoxydable 304 est un acier \u00e0 usage g\u00e9n\u00e9ral <a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E5%A5%A5%E6%B0%8F%E4%BD%93%E4%B8%8D%E9%94%88%E9%92%A2\">tache aust\u00e9nitique<\/a><a href=\"https:\/\/en.wikipedia.org\/wiki\/Austenitic_stainless_steel\">moins d'acier<\/a>. Il se compose de plus de 18% de chrome (Cr) et de plus de 8% de nickel (Ni), avec de petites quantit\u00e9s de carbone, de mangan\u00e8se et d'autres \u00e9l\u00e9ments. Ce mat\u00e9riau est largement reconnu comme l'un des types d'acier inoxydable les plus courants, repr\u00e9sentant plus de 30% de tout l'acier inoxydable consomm\u00e9 dans le monde sur une base annuelle.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#Why_is_it_most_common\" title=\"Pourquoi est-elle la plus fr\u00e9quente ?\">Pourquoi est-elle la plus fr\u00e9quente ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#Overview_of_industries\" title=\"Aper\u00e7u des secteurs d&#039;activit\u00e9\">Aper\u00e7u des secteurs d'activit\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#304_stainless_steel_chemical_composition\" title=\"Composition chimique de l&#039;acier inoxydable 304\">Composition chimique de l'acier inoxydable 304<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#Mechanical_properties_of_304_stainless_steel\" title=\"Propri\u00e9t\u00e9s m\u00e9caniques de l&#039;acier inoxydable 304\">Propri\u00e9t\u00e9s m\u00e9caniques de l'acier inoxydable 304<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#Physical_properties\" title=\"Propri\u00e9t\u00e9s physiques\">Propri\u00e9t\u00e9s physiques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#304_stainless_steel_core_advantages\" title=\"Avantages du noyau en acier inoxydable 304\">Avantages du noyau en acier inoxydable 304<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#Summary\" title=\"R\u00e9sum\u00e9\">R\u00e9sum\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/#FAQs\" title=\"FAQ\">FAQ<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why-is-it-most-common\"><span class=\"ez-toc-section\" id=\"Why_is_it_most_common\"><\/span>Pourquoi est-elle la plus fr\u00e9quente ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rentable :<\/strong> par rapport \u00e0 ceux contenant du molybd\u00e8ne <a href=\"https:\/\/en.wikipedia.org\/wiki\/SAE_316L_stainless_steel\">Acier inoxydable 316<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/SAE_304_stainless_steel\">304<\/a> est moins cher \u00e0 produire<\/li>\n\n\n\n<li><strong>Large \u00e9ventail d'applications :<\/strong> de l'\u00e9quipement de transformation des aliments \u00e0 la d\u00e9coration architecturale<\/li>\n\n\n\n<li><strong>Bonne aptitude \u00e0 la transformation :<\/strong> convient \u00e0 l'emboutissage, au soudage, au pliage, etc.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overview-of-industries\"><span class=\"ez-toc-section\" id=\"Overview_of_industries\"><\/span>Aper\u00e7u des secteurs d'activit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Industrie alimentaire et des boissons :<\/strong> les \u00e9quipements expos\u00e9s \u00e0 des liquides acides ou \u00e0 des vapeurs \u00e0 haute temp\u00e9rature, etc.<\/li>\n\n\n\n<li><strong>Mat\u00e9riel m\u00e9dical :<\/strong> instruments chirurgicaux, ustensiles st\u00e9rilis\u00e9s, etc.<\/li>\n\n\n\n<li><strong>\u00c9quipement industriel :<\/strong> <a href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/charnieres-en-acier-inoxydable-le-guide-ultime-des-principes-de-base-aux-applications\/\">charni\u00e8res \u00e9lectriques pour armoires<\/a>les carters de machines, etc.<\/li>\n\n\n\n<li><strong>D\u00e9coration des b\u00e2timents :<\/strong> mains courantes, supports pour murs-rideaux, etc.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"527\" height=\"455\" src=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-12.png\" alt=\"Acier inoxydable 304\" class=\"wp-image-6144\" style=\"width:405px;height:auto\" srcset=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-12.png 527w, https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-12-300x259.png 300w\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"304-stainless-steel-chemical-composition\"><span class=\"ez-toc-section\" id=\"304_stainless_steel_chemical_composition\"><\/span>Composition chimique de l'acier inoxydable 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ratio-of-major-elements-mass-percent\">Rapport des \u00e9l\u00e9ments majeurs (pourcentage de masse)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00c9l\u00e9ment<\/th><th>Plage de contenu (pourcentage de masse)<\/th><th>R\u00f4le<\/th><\/tr><\/thead><tbody><tr><td>Chrome (Cr)<\/td><td>18.0% &#8211; 20.0%<\/td><td>Formation d'une couche protectrice d'oxyde de chrome, assurant la r\u00e9sistance \u00e0 la corrosion<\/td><\/tr><tr><td>Nickel (Ni)<\/td><td>8.0% &#8211; 10.5%<\/td><td>Stabilise la structure de l'aust\u00e9nite, am\u00e9liore la ductilit\u00e9, les performances \u00e0 haute temp\u00e9rature et la r\u00e9sistance \u00e0 la corrosion.<\/td><\/tr><tr><td>Carbone (C)<\/td><td>\u2264 0,08%<\/td><td>La faible teneur en carbone r\u00e9duit la pr\u00e9cipitation de carbure et am\u00e9liore la soudabilit\u00e9 (304L : \u2264 0,03% ; 304H : \u2265 0,04%).<\/td><\/tr><tr><td>Mangan\u00e8se (Mn)<\/td><td>\u2264 2.0%<\/td><td>Am\u00e9lioration de la r\u00e9sistance et de la capacit\u00e9 d'\u00e9crouissage<\/td><\/tr><tr><td>Silicium (Si)<\/td><td>\u2264 1.0%<\/td><td>Am\u00e9lioration de la r\u00e9sistance \u00e0 l'oxydation et de la r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es<\/td><\/tr><tr><td>Phosphore (P)<\/td><td>\u2264 0,045%<\/td><td>Les \u00e9l\u00e9ments d'impuret\u00e9 doivent \u00eatre strictement contr\u00f4l\u00e9s pour maintenir la t\u00e9nacit\u00e9 des mat\u00e9riaux.<\/td><\/tr><tr><td>Soufre (S)<\/td><td>\u2264 0,030%<\/td><td>\u00c9l\u00e9ments d'impuret\u00e9 dont l'exc\u00e8s r\u00e9duit la r\u00e9sistance \u00e0 la corrosion et les performances de traitement<\/td><\/tr><tr><td>Fer (Fe)<\/td><td>\u00e9quilibre<\/td><td>comme m\u00e9tal de base, constituent le corps principal de l'alliage<\/td><\/tr><tr><td>Azote (N)<\/td><td>\u2264 0,10% (trace)<\/td><td>peuvent \u00eatre pr\u00e9sents en petites quantit\u00e9s, mais ne sont pas les principaux \u00e9l\u00e9ments ajout\u00e9s<\/td><\/tr><tr><td>Molybd\u00e8ne (Mo)<\/td><td>G\u00e9n\u00e9ralement absente<\/td><td>La version contenant du molybd\u00e8ne est en acier inoxydable 316 (meilleure r\u00e9sistance \u00e0 la corrosion).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"characteristics-of-molybdenum-free\">Caract\u00e9ristiques des produits sans molybd\u00e8ne<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e9sistance \u00e0 la corrosion par les chlorures plus faible que celle de l'acier inoxydable 316<\/li>\n\n\n\n<li>R\u00e9duction des co\u00fbts d'environ 20-30%<\/li>\n\n\n\n<li>Mieux adapt\u00e9 aux environnements non marins<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"effect-of-composition-on-properties\">Effet de la composition sur les propri\u00e9t\u00e9s<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Teneur \u00e9lev\u00e9e en chrome :<\/strong> cr\u00e9e une couche dense d'oxyde de chrome sur la surface, emp\u00eachant toute corrosion ult\u00e9rieure.<\/li>\n\n\n\n<li><strong>Nickel :<\/strong> garantit que le mat\u00e9riau reste r\u00e9sistant aux basses temp\u00e9ratures (peut r\u00e9sister \u00e0 -196\u00b0C)<\/li>\n\n\n\n<li><strong>Conception \u00e0 faible \u00e9mission de carbone :<\/strong> r\u00e9duit le risque de corrosion intergranulaire apr\u00e8s le soudage<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"627\" src=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/3-4.png\" alt=\"Acier inoxydable 304\" class=\"wp-image-6145\" style=\"width:311px;height:auto\" srcset=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/3-4.png 593w, https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/3-4-284x300.png 284w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mechanical-properties-of-304-stainless-steel\"><span class=\"ez-toc-section\" id=\"Mechanical_properties_of_304_stainless_steel\"><\/span>Propri\u00e9t\u00e9s m\u00e9caniques de l'acier inoxydable 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"performance-indicators\">Indicateurs de performance<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Indicateur<\/th><th>Valeurs typiques (\u00e9tat recuit)<\/th><th>Remarques<\/th><\/tr><\/thead><tbody><tr><td>R\u00e9sistance \u00e0 la traction<\/td><td>515 - 620 MPa<\/td><td>Haute r\u00e9sistance \u00e9quilibr\u00e9e avec une bonne plasticit\u00e9, convient pour les composants structurels.<\/td><\/tr><tr><td>Limite d'\u00e9lasticit\u00e9<\/td><td>205 - 310 MPa<\/td><td>Limite d'\u00e9lasticit\u00e9 \u00e0 0,2% de d\u00e9formation r\u00e9siduelle, qui peut \u00eatre consid\u00e9rablement augment\u00e9e apr\u00e8s un travail \u00e0 froid (par exemple \u22651000 MPa apr\u00e8s un laminage \u00e0 froid).<\/td><\/tr><tr><td>\u00c9longation<\/td><td>\u2265 40% (50 mm)<\/td><td>Grande ductilit\u00e9, convient \u00e0 l'emboutissage, au cintrage et \u00e0 d'autres traitements.<\/td><\/tr><tr><td>Duret\u00e9<\/td><td>Brinell (HB) : ~201<\/td><td>Faible duret\u00e9 \u00e0 l'\u00e9tat recuit, la duret\u00e9 augmente apr\u00e8s l'\u00e9crouissage (par exemple HRB 90 \u00e0 l'\u00e9tat recuit, HRB 200+ apr\u00e8s laminage \u00e0 froid).<\/td><\/tr><tr><td>R\u00e9sistance aux chocs (Impact)<\/td><td>\u00e0 temp\u00e9rature ambiante \u2265 100 J (essai d'impact Charpy)<\/td><td>La structure aust\u00e9nitique offre une bonne t\u00e9nacit\u00e9, les performances \u00e0 basse temp\u00e9rature sont meilleures que celles de l'acier inoxydable ferritique (mais inf\u00e9rieures \u00e0 celles de l'acier duplex).<\/td><\/tr><tr><td>Module d'\u00e9lasticit\u00e9 (Modulus)<\/td><td>193 - 200 GPa<\/td><td>Semblable aux autres aciers inoxydables aust\u00e9nitiques.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mechanical-advantages\">Avantages m\u00e9caniques<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Haute ductilit\u00e9 :<\/strong> convient aux processus de moulage par emboutissage (par exemple, pour la fabrication de casseroles et de po\u00eales)<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la fatigue :<\/strong> peut r\u00e9sister \u00e0 plus de 10<sup>6<\/sup> les charges cycliques (adapt\u00e9es aux <a href=\"https:\/\/hingesmanufacturers.com\/fr\/produits\/charnieres\/\">charni\u00e8res<\/a> avec ouverture et fermeture fr\u00e9quentes)<\/li>\n\n\n\n<li><strong>T\u00e9nacit\u00e9 \u00e0 basse temp\u00e9rature :<\/strong> pas de fissuration fragile, m\u00eame \u00e0 des temp\u00e9ratures d'azote liquide<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"485\" height=\"448\" src=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1-14.png\" alt=\"Acier inoxydable 304\" class=\"wp-image-6146\" style=\"width:319px;height:auto\" srcset=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1-14.png 485w, https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/1-14-300x277.png 300w\" sizes=\"auto, (max-width: 485px) 100vw, 485px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"physical-properties\"><span class=\"ez-toc-section\" id=\"Physical_properties\"><\/span>Propri\u00e9t\u00e9s physiques<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Propri\u00e9t\u00e9s<\/th><th>Valeur num\u00e9rique<\/th><th>Effet de l'application<\/th><\/tr><\/thead><tbody><tr><td>Densit\u00e9<\/td><td>8,0 g\/cm\u00b3<\/td><td>environ 10% plus l\u00e9ger que l'acier au carbone, convient pour les composants structurels n\u00e9cessitant une r\u00e9duction de poids.<\/td><\/tr><tr><td>Coefficient de dilatation thermique<\/td><td>17,2 \u03bcm\/m-\u00b0C (20-100\u00b0C)<\/td><td>Un joint de dilatation est n\u00e9cessaire.<\/td><\/tr><tr><td>Conductivit\u00e9 thermique<\/td><td>16,2 W\/m-K<\/td><td>L'apport de chaleur doit \u00eatre contr\u00f4l\u00e9 pendant le soudage pour \u00e9viter les d\u00e9formations.<\/td><\/tr><tr><td>R\u00e9sistivit\u00e9<\/td><td>0,73 \u03bc\u03a9-m<\/td><td>Peut \u00eatre utilis\u00e9 pour les pi\u00e8ces conductrices \u00e0 faible courant.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"304-stainless-steel-core-advantages\"><span class=\"ez-toc-section\" id=\"304_stainless_steel_core_advantages\"><\/span>Avantages du noyau en acier inoxydable 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"excellent-corrosion-resistance\">Excellente r\u00e9sistance \u00e0 la corrosion<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.outokumpu.com\/en\/expertise\/2021\/corrosion-guides\">Selon les donn\u00e9es de l'Outokumpu Stainless Steel Corrosion Handbook :<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Taux de corrosion annuel &lt;0,01mm au pH 4-9<\/li>\n\n\n\n<li>R\u00e9sistant \u00e0 la concentration 85% d'acide nitrique (\u00e0 temp\u00e9rature ambiante)<\/li>\n\n\n\n<li>Pas de rouille visible pendant 10 ans en atmosph\u00e8re industrielle \u00e0 l'humidit\u00e9 60%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"excellent-processability\">Excellente aptitude \u00e0 la transformation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Emboutissage et formage :<\/strong> jusqu'\u00e0 2,2 LDR (Limit Depth Ratio)<\/li>\n\n\n\n<li><strong>Compatibilit\u00e9 de soudage :<\/strong> Soudage TIG sans mat\u00e9riau d'apport pour des soudures \u00e0 haute r\u00e9sistance<\/li>\n\n\n\n<li><strong>Finition de la surface :<\/strong> Polissage \u00e9lectrolytique pour obtenir une finition miroir avec Ra \u2264 0,1\u03bcm.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hygiene-and-aesthetics\">Hygi\u00e8ne et esth\u00e9tique<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Finition de la surface :<\/strong> Le taux d'adh\u00e9sion des bact\u00e9ries est inf\u00e9rieur de 90% \u00e0 celui de la surface rugueuse.<\/li>\n\n\n\n<li><strong>Nettoyage pratique :<\/strong> peuvent \u00eatre nettoy\u00e9s avec des acides forts et des alcalis (par exemple, d\u00e9sinfectant \u00e0 base d'hypochlorite de sodium)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"410\" height=\"442\" src=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-13.png\" alt=\"Acier inoxydable 304\" class=\"wp-image-6147\" style=\"width:293px;height:auto\" srcset=\"https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-13.png 410w, https:\/\/hingesmanufacturers.com\/wp-content\/uploads\/2025\/04\/2-13-278x300.png 278w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"summary\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>R\u00e9sum\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Gr\u00e2ce \u00e0 sa r\u00e9sistance \u00e9quilibr\u00e9e \u00e0 la corrosion, \u00e0 sa facilit\u00e9 de traitement et \u00e0 son co\u00fbt contr\u00f4lable, l'acier inoxydable 304 domine le secteur de la quincaillerie industrielle. Comme les exigences de l'industrie manufacturi\u00e8re en mati\u00e8re de long\u00e9vit\u00e9 des mat\u00e9riaux et de protection de l'environnement augmentent, l'acier inoxydable 304 continuera \u00e0 jouer un r\u00f4le cl\u00e9 dans les domaines du transport ferroviaire, de l'\u00e9quipement pour les nouvelles \u00e9nergies et des soins m\u00e9dicaux intelligents.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-can-304-stainless-steel-be-used-in-marine-environment\">Q : L'acier inoxydable 304 peut-il \u00eatre utilis\u00e9 en milieu marin ?<\/h4>\n\n\n\n<p>R : L'exposition \u00e0 long terme \u00e0 l'eau de mer n'est pas recommand\u00e9e. Dans un environnement peu salin, il est n\u00e9cessaire d'utiliser un rev\u00eatement de surface.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-what-is-the-difference-between-304-and-201-stainless-steel\">Q : Quelle est la diff\u00e9rence entre l'acier inoxydable 304 et 201 ?<\/h4>\n\n\n\n<p>R : 201 avec du mangan\u00e8se pour remplacer une partie du nickel, la r\u00e9sistance \u00e0 la corrosion est moins bonne, le co\u00fbt est inf\u00e9rieur d'environ 40%.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-how-to-judge-the-real-304-stainless-steel\">Q\uff1aComment juger de la qualit\u00e9 de l'acier inoxydable 304 ?<\/h4>\n\n\n\n<p>R : La m\u00e9thode professionnelle consiste \u00e0 tester la teneur en nickel \u00e0 l'aide d'un spectrom\u00e8tre. Test simple : d\u00e9posez une solution de sulfate de cuivre sur la surface, si elle devient rouge, il s'agit d'un faux 304.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-will-304-stainless-steel-rust\">Q\uff1aL'acier inoxydable 304 rouille-t-il ?<\/h4>\n\n\n\n<p>R : La corrosion par piq\u00fbres peut se produire en pr\u00e9sence d'ions chlorure ou de dommages m\u00e9caniques non trait\u00e9s \u00e0 temps.<\/p>","protected":false},"excerpt":{"rendered":"<p>304 stainless steel is a general-purpose austenitic stainless steel. It consists of more than 18% chromium (Cr) and more than 8% nickel (Ni), with small amounts of carbon, manganese and other elements. This material is widely recognized as one of the most common types of stainless steel, accounting for more than 30% of all stainless [&hellip;]<\/p>","protected":false},"author":1,"featured_media":6144,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>304 Stainless Steel Guide: Properties, Advantages, and Industry Uses - HTAN<\/title>\n<meta name=\"description\" content=\"304 stainless steel offers excellent corrosion resistance, strength, and processability, making it the most widely used stainless steel worldwide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hingesmanufacturers.com\/fr\/blog\/guide-en-acier-inoxydable-304\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"304 Stainless Steel Guide: Properties, Advantages, and Industry Uses - 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