{"id":4386,"date":"2026-06-10T08:33:38","date_gmt":"2026-06-10T08:33:38","guid":{"rendered":"https:\/\/beiyutitanium.com\/ams-4911-titanium-sheet-plate-guide\/"},"modified":"2026-08-13T06:07:46","modified_gmt":"2026-08-13T06:07:46","slug":"ams-4911-titanium-sheet-plate-guide","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/it\/ams-4911-titanium-sheet-plate-guide\/","title":{"rendered":"Lamiera sottile &#038; lamiera spessa di titanio AMS 4911: Ti-6Al-4V per uso aerospaziale, ricotto"},"content":{"rendered":"<figure class=\"ti-hero-image\" style=\"margin:0 0 1.2em;\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/03\/6al4v-titanium-plate-grade5.jpg\" alt=\"Ti-6Al-4V titanium plate supplied to AMS 4911, annealed aerospace grade\" style=\"width:100%;height:auto;border-radius:8px;\" \/><\/figure>\n<p>AMS 4911 is the aerospace material specification for annealed Ti-6Al-4V (Grade 5) titanium sheet, strip and plate, with a composition similar to UNS R56400. It covers flat product up through 4.000 inches (101.60 mm) thick, fixes the annealed condition and mechanical properties, and adds aerospace-level testing such as ultrasonic inspection of plate. Ordering flat product &#8220;to AMS 4911&#8221; tells the supplier it is the aerospace-grade Ti-6Al-4V sheet or plate, not the general commercial grade. For how the shorthand <a href=\"https:\/\/beiyutitanium.com\/it\/aerospace-grade-titanium\/\">titanio di grado aerospaziale<\/a> si applica a barre, prodotti piani e pezzi forgiati, consultare la pagina separata dedicata a tale espressione.<\/p>\n<h2 id=\"covers\">Cosa copre AMS 4911<\/h2>\n<p>AMS 4911 si applica a Ti-6Al-4V in forma di lamiera sottile, nastro e lamiera spessa, allo stato ricotto. La composizione della lega \u00e8 simile a UNS R56400 (lo stesso Ti-6Al-4V utilizzato per Grade 5). Punti principali della specifica:<\/p>\n<table data-c195=\"1\">\n<thead>\n<tr>\n<th>Punto della specifica<\/th>\n<th>Cosa afferma la guida<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Forma<\/td>\n<td>lamiera sottile, nastro e lamiera spessa con spessore fino a 4.000 inches (101.60 mm) compresi.<\/td>\n<\/tr>\n<tr>\n<td>Stato<\/td>\n<td>ricotto (intervallo di ricottura da 1300 a 1650 degrees F, da 704 a 899 degrees C).<\/td>\n<\/tr>\n<tr>\n<td>Fusione<\/td>\n<td>prima fusione sotto vuoto con elettrodo consumabile, per la pulizia richiesta in ambito aerospaziale.<\/td>\n<\/tr>\n<tr>\n<td>Prove<\/td>\n<td>controllo a ultrasuoni di tutte le lamiere spesse da 0,500 inch (12,70 mm) e oltre.<\/td>\n<\/tr>\n<tr>\n<td>Superficie<\/td>\n<td>lamiera sottile e nastro comparabili a una finitura No. 2D; lamiera spessa comparabile a una finitura No. 1.<\/td>\n<\/tr>\n<tr>\n<td>Regola di sostituzione<\/td>\n<td>barre, billette, pezzi forgiati o materiale da forgiatura non devono essere sostituiti alla lamiera spessa.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"vs-b265\">AMS 4911 rispetto ad ASTM B265 Grade 5<\/h2>\n<p>Entrambe coprono i prodotti piani Ti-6Al-4V, ma si rivolgono ad acquirenti diversi. Indicare quella corretta nell'ordine d'acquisto.<\/p>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>AMS 4911<\/th>\n<th>ASTM B265 Grade 5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Impiego principale<\/strong><\/td>\n<td>Componenti aerospaziali e per impiego in volo<\/td>\n<td>Impieghi commerciali, industriali e in ambienti corrosivi<\/td>\n<\/tr>\n<tr>\n<td><strong>Lega<\/strong><\/td>\n<td>Ti-6Al-4V (simile a UNS R56400)<\/td>\n<td>Ti-6Al-4V (UNS R56400)<\/td>\n<\/tr>\n<tr>\n<td><strong>Stato<\/strong><\/td>\n<td>Ricotto, intervallo di ricottura definito<\/td>\n<td>Ricotto<\/td>\n<\/tr>\n<tr>\n<td><strong>Fusione<\/strong><\/td>\n<td>Prima fusione sotto vuoto (elettrodo consumabile)<\/td>\n<td>Non specificato allo stesso livello<\/td>\n<\/tr>\n<tr>\n<td><strong>Controllo non distruttivo<\/strong><\/td>\n<td>Controllo a ultrasuoni delle lamiere spesse da 0,5 in in su<\/td>\n<td>Su accordo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>AMS 4911 \u00e8 la versione aerospaziale dello stesso prodotto piano in Ti-6Al-4V, con requisiti pi\u00f9 restrittivi di fusione e controllo. Per la lamiera spessa commerciale e per impieghi in ambienti corrosivi, consultare la <a href=\"https:\/\/beiyutitanium.com\/it\/astm-b265-titanium-sheet-plate-guide\/\">Guida alle lamiere sottili e alle lamiere spesse ASTM B265<\/a>.<\/p>\n<h2 id=\"forms\">Forme, spessori e modalit\u00e0 di specifica<\/h2>\n<p>Poich\u00e9 AMS 4911 associa il grado allo stato ricotto e a un intervallo di spessore, la richiesta di offerta definisce pi\u00f9 della sola &#8220;lamiera spessa Grade 5&#8221;. Indicare insieme questi elementi:<\/p>\n<table data-c195=\"1\">\n<thead>\n<tr>\n<th>Campo da indicare<\/th>\n<th>Cosa afferma la guida<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Specifica e grado<\/td>\n<td>AMS 4911, Ti-6Al-4V, ricotto.<\/td>\n<\/tr>\n<tr>\n<td>Forma<\/td>\n<td>lamiera sottile, nastro o lamiera spessa, con spessore, larghezza e lunghezza.<\/td>\n<\/tr>\n<tr>\n<td>Norma delle tolleranze<\/td>\n<td>AMS 2242 per lamiera sottile, nastro e lamiera spessa ove pi\u00f9 restrittiva dei requisiti predefiniti.<\/td>\n<\/tr>\n<tr>\n<td>Prove<\/td>\n<td>classe di accettazione del controllo a ultrasuoni per la lamiera spessa, oltre a eventuali requisiti di planarit\u00e0.<\/td>\n<\/tr>\n<tr>\n<td>Documenti<\/td>\n<td>certificato del materiale, tracciabilit\u00e0 tramite il numero di colata ed EN 10204 3.1 ove richiesto.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"faq\">Domande frequenti<\/h2>\n<p><strong>AMS 4911 equivale a Grade 5?<\/strong><br \/>La lega \u00e8 lo stesso Ti-6Al-4V (composizione simile a UNS R56400). AMS 4911 \u00e8 la specifica aerospaziale con stato ricotto definito, prima fusione sotto vuoto e controllo a ultrasuoni delle lamiere spesse, quindi \u00e8 la versione per impiego in volo dei prodotti piani Grade 5.<\/p>\n<p><strong>Quali spessori copre AMS 4911?<\/strong><br \/>Lamiere sottili, nastri e lamiere spesse fino a 4.000 inches (101.60 mm) inclusi. Le lamiere spesse da 0.500 inch (12.70 mm) in su sono sottoposte a controllo a ultrasuoni.<\/p>\n<p><strong>\u00c8 possibile ordinare secondo AMS 4911 e ASTM B265 insieme?<\/strong><br \/>S\u00ec. La lamiera spessa Ti-6Al-4V pu\u00f2 essere certificata sia secondo ASTM B265 Grade 5 sia secondo AMS 4911 quando l'ordine richiede entrambe, a condizione che siano soddisfatti i requisiti aerospaziali di fusione e prova.<\/p>\n<p><strong>Quali documenti accompagnano la lamiera spessa AMS 4911?<\/strong><br \/>Risultati chimici e meccanici per colata, risultati del controllo a ultrasuoni per le lamiere spesse soggette a tale controllo, tracciabilit\u00e0 tramite il numero di colata e un certificato del materiale. Confermare EN 10204 3.1 e l'eventuale collaudo di terza parte in fase di richiesta di offerta.<\/p>\n<p><!--c148-cite-block--><\/p>\n<h2>Dettagli delle specifiche con fonti<\/h2>\n<p>SAE mantiene i prodotti piani e le barre Ti-6Al-4V in specifiche separate, ed \u00e8 qui che i disegni pi\u00f9 spesso si confondono: AMS 4911 disciplina lamiera sottile, nastro e lamiera spessa, mentre AMS 4928 disciplina barre, materiale per pezzi forgiati e anelli nella stessa lega, pertanto un richiamo per lamiera spessa scritto secondo AMS 4928 \u00e8 un errore di specifica anzich\u00e9 un requisito pi\u00f9 severo. Entrambe si collocano sopra <a href=\"https:\/\/store.astm.org\/standards\/b265\" target=\"_blank\" rel=\"noopener\">ASTM B265<\/a> e <a href=\"https:\/\/store.astm.org\/standards\/b348\" target=\"_blank\" rel=\"noopener\">ASTM B348<\/a> per la lega identica UNS R56400, e i documenti AMS riportano lettere di revisione che cambiano, quindi la revisione indicata nell'ordine d'acquisto \u00e8 quella cui uno stabilimento certifica, non il solo numero base.<\/p>\n<table data-c195=\"1\">\n<caption>\u00c8 qui che i disegni generano pi\u00f9 spesso confusione.<\/caption>\n<thead>\n<tr>\n<th>Specifica<\/th>\n<th>Forma di prodotto che disciplina<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AMS 4911<\/td>\n<td>Lamiera sottile, nastro e lamiera spessa<\/td>\n<\/tr>\n<tr>\n<td>AMS 4928<\/td>\n<td>Barra e le altre forme coperte<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La scheda di fabbrica dei prodotti piani di Beiyu Titanium elenca AMS 4911 insieme ad ASTM B265 tra le norme secondo cui viene prodotta la sua lamiera spessa Ti-6Al-4V, con una gamma di laminazione di lamiere spesse da 3 a 70 mm, larghezze fino a 2500 mm e lunghezze fino a 6000 mm, e lamiere sottili a partire da 0,5 mm al di sotto di tale gamma. Il limite di 70 mm rientra nel campo di applicazione di 101,60 mm di AMS 4911; Beiyu conferma quindi spessore, processo di fusione, stato metallurgico e piano di controllo a ultrasuoni rispetto alla revisione indicata nell'ordine prima dell'offerta, e Beiyu rilascia la lamiera spessa con un certificato di collaudo 3.1 secondo EN 10204 e tracciabilit\u00e0 tramite il numero di colata.<\/p>\n<p><!--\/c148-cite-block--><\/p>\n<h2 id=\"request\">Richiedere lamiere sottili e lamiere spesse di titanio AMS 4911<\/h2>\n<p>Inviare la specifica (AMS 4911), la forma, lo spessore, la larghezza, la lunghezza, la tolleranza e il pacchetto di certificati necessario. Beiyu conferma il processo di fusione, lo stato e il piano delle prove prima dell'offerta, affinch\u00e9 i requisiti aerospaziali siano concordati prima della produzione. Contattare <a href=\"mailto:penn@beiyutitanium.com\">penn@beiyutitanium.com<\/a> per una verifica della specifica.<\/p>\n<ul>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/product\/6al4v-titanium-plate\/\">Lamiera spessa di titanio Ti-6Al-4V (Grade 5)<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/product-category\/woo-products\/titanium\/titanium-sheet-and-plate\/\">Tutte le lamiere sottili &amp; lamiere spesse di titanio<\/a><\/li>\n<\/ul>\n<h2 id=\"related\">Guide correlate sul titanio<\/h2>\n<ul>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/astm-b265-titanium-sheet-plate-guide\/\">Guida ASTM B265 a lamiere sottili &amp; lamiere spesse di titanio<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/titanium-standards-specifications-guide\/\">Norme &amp; specifiche del titanio: ASTM, AMS, ASME, EN e GB<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/titanium-grades-comparison-guide\/\">Confronto tra gradi di titanio: da Grade 2 a 23<\/a><\/li>\n<li><a href=\"https:\/\/beiyutitanium.com\/it\/astm-b348-titanium-bar-billet-guide\/\">Guida ASTM B348 a barre &amp; billette di titanio<\/a><\/li>\n<\/ul>\n<h2 id=\"sources\">Norme e fonti<\/h2>\n<p>Il campo di applicazione, lo stato ricotto, l'intervallo di spessori e le prove qui riassunti sono tratti dalla specifica SAE AMS 4911 (lamiere sottili, nastri e lamiere spesse Ti-6Al-4V). Il riferimento corrispondente per i prodotti piani commerciali \u00e8 ASTM B265 e la lega \u00e8 UNS R56400. Confermare nell'ordine la revisione vigente di AMS 4911 e il pacchetto di certificati.<\/p>","protected":false},"excerpt":{"rendered":"<p>AMS 4911 is the aerospace material specification for annealed Ti-6Al-4V (Grade 5) titanium sheet, strip and plate, with a composition similar to UNS R56400. It covers flat product up through 4.000 inches (101.60 mm) thick, fixes the annealed condition and mechanical properties, and adds aerospace-level testing such as ultrasonic inspection of plate. Ordering flat product [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[27,138],"tags":[],"class_list":["post-4386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-standards"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AMS 4911 Titanium Sheet &amp; Plate | Ti-6Al-4V Annealed | Beiyu<\/title>\n<meta name=\"description\" content=\"AMS 4911 is the aerospace spec for annealed Ti-6Al-4V sheet, strip and plate to UNS R56400. 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Production runs through the Beiyu titanium mill in Baoji, Shaanxi. 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