{"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":"guida-in-acciaio-inox-304","status":"publish","type":"post","link":"https:\/\/hingesmanufacturers.com\/it\/blog\/guida-in-acciaio-inox-304\/","title":{"rendered":"Guida all'acciaio inox 304: Propriet\u00e0, vantaggi e usi industriali"},"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=\"Acciaio inox 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'acciaio inox 304 \u00e8 un acciaio per usi generici <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\">macchia austenitica<\/a><a href=\"https:\/\/en.wikipedia.org\/wiki\/Austenitic_stainless_steel\">meno acciaio<\/a>. \u00c8 composto da pi\u00f9 di 18% di cromo (Cr) e pi\u00f9 di 8% di nichel (Ni), con piccole quantit\u00e0 di carbonio, manganese e altri elementi. Questo materiale \u00e8 ampiamente riconosciuto come uno dei tipi pi\u00f9 comuni di acciaio inossidabile, rappresentando pi\u00f9 di 30% di tutto l'acciaio inossidabile consumato a livello globale su base annua.<\/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\">Indice dei contenuti<\/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=\"Allinea la tabella dei contenuti\"><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\/it\/blog\/guida-in-acciaio-inox-304\/#Why_is_it_most_common\" title=\"Perch\u00e9 \u00e8 pi\u00f9 comune?\">Perch\u00e9 \u00e8 pi\u00f9 comune?<\/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\/it\/blog\/guida-in-acciaio-inox-304\/#Overview_of_industries\" title=\"Panoramica delle industrie\">Panoramica delle industrie<\/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\/it\/blog\/guida-in-acciaio-inox-304\/#304_stainless_steel_chemical_composition\" title=\"Composizione chimica dell&#039;acciaio inox 304\">Composizione chimica dell'acciaio inox 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\/it\/blog\/guida-in-acciaio-inox-304\/#Mechanical_properties_of_304_stainless_steel\" title=\"Propriet\u00e0 meccaniche dell&#039;acciaio inossidabile 304\">Propriet\u00e0 meccaniche dell'acciaio inossidabile 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\/it\/blog\/guida-in-acciaio-inox-304\/#Physical_properties\" title=\"Propriet\u00e0 fisiche\">Propriet\u00e0 fisiche<\/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\/it\/blog\/guida-in-acciaio-inox-304\/#304_stainless_steel_core_advantages\" title=\"Vantaggi dell&#039;anima in acciaio inox 304\">Vantaggi dell'anima in acciaio inox 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\/it\/blog\/guida-in-acciaio-inox-304\/#Summary\" title=\"Sintesi\">Sintesi<\/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\/it\/blog\/guida-in-acciaio-inox-304\/#FAQs\" title=\"Domande frequenti\">Domande frequenti<\/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>Perch\u00e9 \u00e8 pi\u00f9 comune?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Efficiente dal punto di vista dei costi:<\/strong> rispetto a quelli contenenti molibdeno <a href=\"https:\/\/en.wikipedia.org\/wiki\/SAE_316L_stainless_steel\">Acciaio inox 316<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/SAE_304_stainless_steel\">304<\/a> \u00e8 pi\u00f9 economico da produrre<\/li>\n\n\n\n<li><strong>Ampia gamma di applicazioni:<\/strong> dalle attrezzature per la lavorazione degli alimenti alla decorazione architettonica<\/li>\n\n\n\n<li><strong>Buona lavorabilit\u00e0:<\/strong> adatto per lo stampaggio, la saldatura, la piegatura, ecc.<\/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>Panoramica delle industrie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Industria alimentare e delle bevande:<\/strong> apparecchiature esposte a liquidi acidi o a vapori ad alta temperatura, ecc.<\/li>\n\n\n\n<li><strong>Apparecchiature mediche:<\/strong> strumenti chirurgici, utensili sterilizzati, ecc.<\/li>\n\n\n\n<li><strong>Attrezzature industriali:<\/strong> <a href=\"https:\/\/hingesmanufacturers.com\/it\/blog\/cerniere-in-acciaio-inox-la-guida-definitiva-dalle-basi-alle-applicazioni\/\">cerniere per armadi elettrici<\/a>, alloggiamenti di macchinari, ecc.<\/li>\n\n\n\n<li><strong>Decorazione dell'edificio:<\/strong> corrimano, staffe per facciate continue, ecc.<\/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=\"Acciaio inox 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>Composizione chimica dell'acciaio inox 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\">Rapporto tra gli elementi principali (massa percentuale)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Elemento<\/th><th>Intervallo di contenuto (percentuale di massa)<\/th><th>Ruolo<\/th><\/tr><\/thead><tbody><tr><td>Cromo (Cr)<\/td><td>18.0% &#8211; 20.0%<\/td><td>Formazione di uno strato protettivo di ossido di cromo, che garantisce la resistenza alla corrosione.<\/td><\/tr><tr><td>Nichel (Ni)<\/td><td>8.0% &#8211; 10.5%<\/td><td>Stabilizza la struttura dell'austenite, migliora la duttilit\u00e0, le prestazioni ad alta temperatura e la resistenza alla corrosione.<\/td><\/tr><tr><td>Carbonio (C)<\/td><td>\u2264 0,08%<\/td><td>Il basso tenore di carbonio riduce la precipitazione di carburo e migliora la saldabilit\u00e0 (304L: \u2264 0,03%; 304H: \u2265 0,04%)<\/td><\/tr><tr><td>Manganese (Mn)<\/td><td>\u2264 2.0%<\/td><td>Migliorare la forza e la capacit\u00e0 di indurimento sul lavoro<\/td><\/tr><tr><td>Silicio (Si)<\/td><td>\u2264 1.0%<\/td><td>Migliora la resistenza all'ossidazione e alle alte temperature<\/td><\/tr><tr><td>Fosforo (P)<\/td><td>\u2264 0,045%<\/td><td>Gli elementi di impurit\u00e0 devono essere rigorosamente controllati per mantenere la tenacit\u00e0 dei materiali.<\/td><\/tr><tr><td>Zolfo (S)<\/td><td>\u2264 0,030%<\/td><td>Gli elementi di impurit\u00e0 in eccesso riducono la resistenza alla corrosione e le prestazioni di lavorazione.<\/td><\/tr><tr><td>Ferro (Fe)<\/td><td>equilibrio<\/td><td>come metallo di base, costituiscono il corpo principale della lega.<\/td><\/tr><tr><td>Azoto (N)<\/td><td>\u2264 0,10% (traccia)<\/td><td>possono essere presenti in piccole quantit\u00e0, ma non sono i principali elementi aggiunti.<\/td><\/tr><tr><td>Molibdeno (Mo)<\/td><td>Di solito non \u00e8 presente<\/td><td>La versione contenente molibdeno \u00e8 in acciaio inox 316 (maggiore resistenza alla corrosione)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"characteristics-of-molybdenum-free\">Caratteristiche dei prodotti senza molibdeno<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resistenza pi\u00f9 debole alla corrosione da cloruri rispetto all'acciaio inox 316<\/li>\n\n\n\n<li>Riduzione dei costi di circa 20-30%<\/li>\n\n\n\n<li>Pi\u00f9 adatto ad ambienti non marini<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"effect-of-composition-on-properties\">Effetto della composizione sulle propriet\u00e0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Alto contenuto di cromo:<\/strong> crea un denso strato di ossido di cromo sulla superficie, impedendo un'ulteriore corrosione.<\/li>\n\n\n\n<li><strong>Nichel:<\/strong> assicura che il materiale rimanga resistente alle basse temperature (pu\u00f2 resistere a -196\u00b0C)<\/li>\n\n\n\n<li><strong>Design a basse emissioni di carbonio:<\/strong> riduce il rischio di corrosione intergranulare dopo la saldatura<\/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=\"Acciaio inox 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>Propriet\u00e0 meccaniche dell'acciaio inossidabile 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"performance-indicators\">Indicatori di prestazione<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Indicatore<\/th><th>Valori tipici (condizione di ricottura)<\/th><th>Osservazioni<\/th><\/tr><\/thead><tbody><tr><td>Resistenza alla trazione<\/td><td>515 - 620 MPa<\/td><td>Alta resistenza bilanciata con buona plasticit\u00e0, adatta per componenti strutturali.<\/td><\/tr><tr><td>Resistenza allo snervamento<\/td><td>205 - 310 MPa<\/td><td>Resistenza allo snervamento a 0,2% di deformazione residua, che pu\u00f2 essere notevolmente aumentata dopo la lavorazione a freddo (ad esempio \u22651000 MPa dopo la laminazione a freddo).<\/td><\/tr><tr><td>Allungamento<\/td><td>\u2265 40% (50 mm)<\/td><td>Elevata duttilit\u00e0, adatta all'imbutitura, alla piegatura e ad altre lavorazioni.<\/td><\/tr><tr><td>Durezza<\/td><td>Brinell (HB): ~201<\/td><td>Bassa durezza allo stato ricotto, la durezza aumenta dopo la lavorazione a freddo (ad esempio HRB 90 allo stato ricotto, HRB 200+ dopo la laminazione a freddo).<\/td><\/tr><tr><td>Durezza all'impatto (Impact)<\/td><td>a temperatura ambiente \u2265 100 J (prova d'urto Charpy)<\/td><td>La struttura austenitica fornisce una buona tenacit\u00e0, le prestazioni a bassa temperatura sono migliori rispetto agli acciai inossidabili ferritici (ma inferiori agli acciai duplex).<\/td><\/tr><tr><td>Modulo di elasticit\u00e0 (Modulus)<\/td><td>193 - 200 GPa<\/td><td>Simile ad altri acciai inossidabili austenitici.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mechanical-advantages\">Vantaggi meccanici<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Elevata duttilit\u00e0:<\/strong> adatto a processi di stampaggio con imbutitura profonda (ad esempio, per la produzione di pentole e padelle)<\/li>\n\n\n\n<li><strong>Resistenza alla fatica:<\/strong> pu\u00f2 resistere a pi\u00f9 di 10<sup>6<\/sup> carichi ciclici (adatto per <a href=\"https:\/\/hingesmanufacturers.com\/it\/prodotti\/cerniere\/\">cerniere<\/a> con frequenti aperture e chiusure)<\/li>\n\n\n\n<li><strong>Tenacit\u00e0 a bassa temperatura:<\/strong> nessuna frattura fragile anche a temperature di azoto liquido<\/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=\"Acciaio inox 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>Propriet\u00e0 fisiche<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>Propriet\u00e0<\/th><th>Valore numerico<\/th><th>Effetto dell'applicazione<\/th><\/tr><\/thead><tbody><tr><td>Densit\u00e0<\/td><td>8,0 g\/cm\u00b3<\/td><td>circa 10% pi\u00f9 leggero dell'acciaio al carbonio, adatto per componenti strutturali che richiedono una riduzione del peso.<\/td><\/tr><tr><td>Coefficiente di espansione termica<\/td><td>17,2 \u03bcm\/m-\u00b0C (20-100\u00b0C)<\/td><td>\u00c8 necessaria una fessura di espansione.<\/td><\/tr><tr><td>Conducibilit\u00e0 termica<\/td><td>16,2 W\/m-K<\/td><td>L'apporto di calore deve essere controllato durante la saldatura per evitare deformazioni.<\/td><\/tr><tr><td>Resistivit\u00e0<\/td><td>0,73 \u03bc\u03a9-m<\/td><td>Pu\u00f2 essere utilizzato per parti conduttrici a bassa corrente.<\/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>Vantaggi dell'anima in acciaio inox 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"excellent-corrosion-resistance\">Eccellente resistenza alla corrosione<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.outokumpu.com\/en\/expertise\/2021\/corrosion-guides\">Secondo i dati del Manuale di corrosione degli acciai inossidabili di Outokumpu:<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tasso di corrosione annuale &lt;0,01 mm a pH 4-9<\/li>\n\n\n\n<li>Resistente alla concentrazione 85% di acido nitrico (a temperatura ambiente)<\/li>\n\n\n\n<li>Nessuna ruggine visibile per 10 anni in atmosfere industriali con umidit\u00e0 60%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"excellent-processability\">Eccellente lavorabilit\u00e0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stampaggio e formatura:<\/strong> fino a 2,2 LDR (Limit Depth Ratio)<\/li>\n\n\n\n<li><strong>Compatibilit\u00e0 con la saldatura:<\/strong> Saldatura TIG senza materiale d'apporto per saldature ad alta resistenza<\/li>\n\n\n\n<li><strong>Finitura superficiale:<\/strong> Lucidatura elettrolitica a specchio con Ra \u2264 0,1\u03bcm.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hygiene-and-aesthetics\">Igiene ed estetica<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Finitura superficiale:<\/strong> Il tasso di adesione dei batteri \u00e8 90% inferiore a quello della superficie ruvida.<\/li>\n\n\n\n<li><strong>Pulizia comoda:<\/strong> possono essere puliti con acidi e alcali forti (ad es. disinfettante a base di ipoclorito di sodio)<\/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=\"Acciaio inox 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>Sintesi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Grazie alla sua equilibrata resistenza alla corrosione, alla facilit\u00e0 di lavorazione e al costo controllabile, l'acciaio inossidabile 304 domina il settore della ferramenta industriale. Con l'aumento delle esigenze dell'industria manifatturiera in termini di longevit\u00e0 dei materiali e di protezione dell'ambiente, l'acciaio inox 304 continuer\u00e0 a svolgere un ruolo chiave nei settori del trasporto ferroviario, delle nuove apparecchiature energetiche e delle cure mediche intelligenti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>Domande frequenti<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\">D: L'acciaio inox 304 pu\u00f2 essere utilizzato in ambiente marino?<\/h4>\n\n\n\n<p>R: Si sconsiglia l'esposizione a lungo termine all'acqua di mare. In un ambiente a lieve nebbia salina deve essere utilizzato con un rivestimento superficiale.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-what-is-the-difference-between-304-and-201-stainless-steel\">D: Qual \u00e8 la differenza tra l'acciaio inossidabile 304 e 201?<\/h4>\n\n\n\n<p>A: 201 con manganese per sostituire parte del nichel, la resistenza alla corrosione \u00e8 peggiore, il costo \u00e8 circa 40% inferiore.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-how-to-judge-the-real-304-stainless-steel\">D: Come giudicare il vero acciaio inossidabile 304?<\/h4>\n\n\n\n<p>R: Il metodo professionale consiste nel testare il contenuto di nichel con uno spettrometro. Test semplice: far cadere una soluzione di solfato di rame sulla superficie, se diventa rossa \u00e8 falso 304.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"q-will-304-stainless-steel-rust\">D: L'acciaio inox 304 si arrugginisce?<\/h4>\n\n\n\n<p>R: La corrosione per vaiolatura pu\u00f2 verificarsi in presenza di ioni cloruro o di danni meccanici non trattati in tempo.<\/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\/it\/blog\/guida-in-acciaio-inox-304\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\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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