{"id":6610,"date":"2026-04-08T16:57:24","date_gmt":"2026-04-08T14:57:24","guid":{"rendered":"https:\/\/www.dueemmesidol.it\/?page_id=6610"},"modified":"2026-04-09T09:34:48","modified_gmt":"2026-04-09T07:34:48","slug":"astm-fasteners","status":"publish","type":"page","link":"https:\/\/www.dueemmesidol.it\/it\/astm-fasteners\/","title":{"rendered":"Fornitore di fissaggi ASTM Europa | A193 B7, Bulloni strutturali"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"6610\" class=\"elementor elementor-6610\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7324021 e-con-full e-flex e-con e-parent\" data-id=\"7324021\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b4dd5f elementor-widget elementor-widget-heading\" data-id=\"9b4dd5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Viteria ASTM per applicazioni industriali e strutturali<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43b9609 elementor-widget elementor-widget-heading\" data-id=\"43b9609\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Forniture certificate ASTM con piena tracciabilit\u00e0 dei materiali e documentazione<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb37476 elementor-widget elementor-widget-heading\" data-id=\"bb37476\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Soluzioni per i settori oil &amp; gas, strutturale, energetico e dell'industria pesante<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc796e1 elementor-widget elementor-widget-heading\" data-id=\"cc796e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Valutazione tecnica, approvvigionamento e consegna rapida in tutta Europa<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-13369a7 e-con-full e-flex e-con e-parent\" data-id=\"13369a7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1130f7a elementor-widget elementor-widget-text-editor\" data-id=\"1130f7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"810\" data-end=\"952\">Le viti ASTM sono progettate per applicazioni ad alte prestazioni dove resistenza, resistenza alla temperatura e tracciabilit\u00e0 del materiale sono fondamentali.<\/p><p style=\"text-align: center;\" data-start=\"954\" data-end=\"1224\">Forniamo bulloni, dadi e viti prigioniere conformi agli standard ASTM, inclusi i gradi A193 B7, A194 e strutturali, a supporto di settori quali oil &amp; gas, energia e ingegneria pesante. Il nostro approccio unisce valutazione tecnica, approvvigionamento controllato e fornitura costante in tutta Europa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ec75ced e-con-full e-flex e-con e-parent\" data-id=\"ec75ced\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7b7b8ab e-con-full e-flex e-con e-child\" data-id=\"7b7b8ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-59c5863 elementor-widget elementor-widget-heading\" data-id=\"59c5863\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cosa sono i fissaggi ASTM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cb98d0 elementor-widget elementor-widget-text-editor\" data-id=\"7cb98d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"434\" data-end=\"636\">I fissaggi ASTM sono componenti meccanici fabbricati secondo standard definiti da ASTM International, che coprono la composizione del materiale, le propriet\u00e0 meccaniche, il trattamento termico e i requisiti di prova.<\/p><p data-start=\"638\" data-end=\"805\">Questi standard sono ampiamente utilizzati in settori in cui le prestazioni, la sicurezza e la tracciabilit\u00e0 sono critiche, come quello petrolifero e del gas, della generazione di energia e delle applicazioni strutturali.<\/p><p data-start=\"807\" data-end=\"1034\">A differenza degli standard ISO o DIN, le specifiche ASTM si basano spesso su gradi di materiale e requisiti prestazionali piuttosto che su classi di resistenza, rendendole particolarmente adatte per ambienti ad alto stress e alta temperatura.<\/p><p data-start=\"1089\" data-end=\"1111\">\u00a0<\/p><p data-start=\"1089\" data-end=\"1111\">Gli standard ASTM definiscono:<\/p><p data-start=\"1089\" data-end=\"1111\">\u00a0<\/p><ul data-start=\"1113\" data-end=\"1309\"><li data-section-id=\"hi77b2\" data-start=\"1113\" data-end=\"1173\">propriet\u00e0 meccaniche (resistenza a trazione, snervamento)<\/li><li data-section-id=\"bl5rqd\" data-start=\"1174\" data-end=\"1211\">composizione chimica dei materiali<\/li><li data-section-id=\"11257t\" data-start=\"1212\" data-end=\"1240\">trattamenti termici<\/li><li data-section-id=\"bflbvr\" data-start=\"1241\" data-end=\"1280\">requisiti di collaudo e ispezione<\/li><li data-section-id=\"1haia45\" data-start=\"1281\" data-end=\"1309\">marcatura e tracciabilit\u00e0<\/li><\/ul><p data-start=\"807\" data-end=\"1034\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-31e90cc e-con-full e-flex e-con e-child\" data-id=\"31e90cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a500a01 elementor-widget elementor-widget-image\" data-id=\"a500a01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"783\" src=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-bolt-head-marking-a193-b7-e1775661083878-768x783.png\" class=\"attachment-medium_large size-medium_large wp-image-6613\" alt=\"ASTM A193 B7 bolt head marking showing material grade and traceability\" srcset=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-bolt-head-marking-a193-b7-e1775661083878-768x783.png 768w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-bolt-head-marking-a193-b7-e1775661083878-294x300.png 294w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-bolt-head-marking-a193-b7-e1775661083878-1004x1024.png 1004w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-bolt-head-marking-a193-b7-e1775661083878.png 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b8fe33c e-flex e-con-boxed e-con e-parent\" data-id=\"b8fe33c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9e901e elementor-widget elementor-widget-heading\" data-id=\"a9e901e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Principali Standard ASTM per Elementi di Fissaggio<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c3501f6 e-con-full e-flex e-con e-parent\" data-id=\"c3501f6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cf95738 e-con-full e-flex e-con e-child\" data-id=\"cf95738\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56c551b elementor-widget elementor-widget-heading\" data-id=\"56c551b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ASTM A193 \u2013 Bulloni in lega e acciaio inossidabile<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48c8352 elementor-widget elementor-widget-text-editor\" data-id=\"48c8352\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">La norma ASTM A193 copre elementi di fissaggio in acciai legati e inossidabili ad alta resistenza, progettati per servizi ad alta temperatura e alta pressione. Il grado pi\u00f9 comune \u00e8 il B7, ampiamente utilizzato nelle applicazioni petrolifere e del gas, petrolchimiche ed energetiche.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e4db3f e-con-full e-flex e-con e-child\" data-id=\"7e4db3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad2fc5f elementor-widget elementor-widget-heading\" data-id=\"ad2fc5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ASTM A194 \u2013 Dadi per Alte Pressioni<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38a0472 elementor-widget elementor-widget-text-editor\" data-id=\"38a0472\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">ASTM A194 specifica dadi in acciaio al carbonio e legati destinati all'uso con bulloni ASTM A193 in ambienti ad alta pressione e alta temperatura.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c3ee2aa e-con-full e-flex e-con e-child\" data-id=\"c3ee2aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e360fe5 elementor-widget elementor-widget-heading\" data-id=\"e360fe5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ASTM A325 e A490 \u2013 Bulloni Strutturali<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ede6de elementor-widget elementor-widget-text-editor\" data-id=\"6ede6de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"1001\" data-end=\"1220\">Questi standard definiscono i bulloni strutturali ad alta resistenza utilizzati nelle costruzioni in acciaio e nei progetti infrastrutturali. Sono progettati per applicazioni portanti che richiedono un serraggio e prestazioni controllati.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a0fa285 e-con-full e-flex e-con e-child\" data-id=\"a0fa285\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f26ec9 elementor-widget elementor-widget-heading\" data-id=\"6f26ec9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ASTM F3125 \u2013 Gruppi di bulloneria strutturale<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77935ce elementor-widget elementor-widget-text-editor\" data-id=\"77935ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"1001\" data-end=\"1220\">ASTM F3125 consolida diversi standard di bulloni strutturali, tra cui A325 e A490, in una specifica unificata per assiemi di bulloneria strutturale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9edd6c0 e-con-full e-flex e-con e-parent\" data-id=\"9edd6c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6d99a56 e-con-full e-flex e-con e-child\" data-id=\"6d99a56\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0c12b3 elementor-widget elementor-widget-image\" data-id=\"b0c12b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.dueemmesidol.it\/it\/standard-fasteners\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-structural-bolts-industrial-assembly-768x512.png\" class=\"attachment-medium_large size-medium_large wp-image-6614\" alt=\"ASTM structural bolts and stud bolt assemblies in industrial applications\" srcset=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-structural-bolts-industrial-assembly-768x512.png 768w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-structural-bolts-industrial-assembly-300x200.png 300w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-structural-bolts-industrial-assembly-1024x683.png 1024w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-structural-bolts-industrial-assembly.png 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a912a72 e-con-full e-flex e-con e-child\" data-id=\"a912a72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a512a7 elementor-widget elementor-widget-heading\" data-id=\"4a512a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Le designazioni ASTM fornite pi\u00f9 comunemente includono:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41fd05e elementor-widget elementor-widget-text-editor\" data-id=\"41fd05e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"1iiwt9t\" data-start=\"1600\" data-end=\"1639\">A193 B7 (acciaio legato ad alta resistenza)<\/li><li data-section-id=\"1izeck2\" data-start=\"1640\" data-end=\"1675\">A193 B8 \/ B8M (acciaio inossidabile)<\/li><li data-section-id=\"1un7lsa\" data-start=\"1676\" data-end=\"1707\">A194 2H (dadi in acciaio al carbonio)<\/li><li data-section-id=\"1ygrf2s\" data-start=\"1708\" data-end=\"1742\">A325 \/ A490 (bulloni strutturali)<\/li><\/ul><p data-start=\"534\" data-end=\"651\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24e0297 e-con-full e-flex e-con e-parent\" data-id=\"24e0297\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53629aa elementor-widget elementor-widget-heading\" data-id=\"53629aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Materiali e gradi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dbfad9 elementor-widget elementor-widget-text-editor\" data-id=\"5dbfad9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"422\" data-end=\"549\">I fissaggi ASTM sono classificati per gradi di materiale che definiscono le loro propriet\u00e0 meccaniche, il trattamento termico e l'intervallo di applicazione.<\/p><p style=\"text-align: center;\" data-start=\"551\" data-end=\"791\">Ogni grado \u00e8 progettato per specifiche condizioni operative, incluse alte pressioni, temperature elevate o basse e ambienti corrosivi. La corretta selezione richiede una valutazione delle prestazioni del materiale, della compatibilit\u00e0 e delle condizioni di servizio.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd64480 elementor-widget elementor-widget-text-editor\" data-id=\"fd64480\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"422\" data-end=\"549\">Per semplificare la selezione e il confronto, forniamo una panoramica tecnica completa dei gradi di fissaggio ASTM, SAE e ISO, incluse le propriet\u00e0 meccaniche, le specifiche dei materiali e i sistemi di marcatura.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dade8a elementor-widget elementor-widget-text-editor\" data-id=\"4dade8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"1110\" data-end=\"1234\"><strong>La tabella consente una rapida identificazione del grado corretto in base a resistenza, materiale e applicazione.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ec9a78 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"1ec9a78\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.dueemmesidol.it\/it\/fastener-materials-guide-steel-stainless-duplex-brass\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Confronto gradi ASTM, SAE e ISO<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2971de elementor-widget elementor-widget-text-editor\" data-id=\"a2971de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\" data-start=\"1527\" data-end=\"1536\"><strong><em><span style=\"color: #ff9900;\">Include: propriet\u00e0 meccaniche, marchi di grado, specifiche dei materiali, applicazioni tipiche<\/span><\/em><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0bad409 e-con-full e-flex e-con e-parent\" data-id=\"0bad409\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0df4ab5 e-con-full e-flex e-con e-child\" data-id=\"0df4ab5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a26d14d elementor-widget elementor-widget-heading\" data-id=\"a26d14d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Panoramica dei gradi di fissaggio ASTM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-107412f elementor-widget elementor-widget-text-editor\" data-id=\"107412f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"381\" data-end=\"515\">Gli standard ASTM definiscono i gradi dei fissaggi in base alle propriet\u00e0 meccaniche, alla composizione del materiale e all'applicazione prevista. A differenza delle classi ISO, i gradi ASTM sono spesso collegati a settori specifici come l'acciaio strutturale, i recipienti a pressione e le applicazioni ad alta temperatura.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e57676e e-con-full e-flex e-con e-child\" data-id=\"e57676e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5bd04d4 elementor-widget elementor-widget-image\" data-id=\"5bd04d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.dueemmesidol.it\/it\/custom-engineered-fasteners\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-fasteners-structural-bolts-flange-applications-1024x683.png\" class=\"attachment-large size-large wp-image-6643\" alt=\"ASTM fasteners used in structural steel connections and flange assemblies including A325 bolts and A193 B7 stud bolts\" srcset=\"https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-fasteners-structural-bolts-flange-applications-1024x683.png 1024w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-fasteners-structural-bolts-flange-applications-300x200.png 300w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-fasteners-structural-bolts-flange-applications-768x512.png 768w, https:\/\/www.dueemmesidol.it\/wp-content\/uploads\/2026\/04\/astm-fasteners-structural-bolts-flange-applications.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-81d11f3 e-con-full e-flex e-con e-parent\" data-id=\"81d11f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2663099 e-con-full e-flex e-con e-child\" data-id=\"2663099\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ce907a elementor-widget elementor-widget-heading\" data-id=\"8ce907a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM A307<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f12b2fa elementor-widget elementor-widget-text-editor\" data-id=\"f12b2fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"3v7q84\" data-start=\"1075\" data-end=\"1095\">Acciaio a basso tenore di carbonio<\/li><li data-section-id=\"1ddqc7t\" data-start=\"1096\" data-end=\"1112\">Bassa resistenza<\/li><li data-section-id=\"17w43l5\" data-start=\"1113\" data-end=\"1145\">Applicazioni per scopi generali<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f74180f e-con-full e-flex e-con e-child\" data-id=\"f74180f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce97a88 elementor-widget elementor-widget-heading\" data-id=\"ce97a88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM A325 \/ A490<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d55ccff elementor-widget elementor-widget-text-editor\" data-id=\"d55ccff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"1mkfd4j\" data-start=\"1169\" data-end=\"1189\">Bulloni strutturali<\/li><li data-section-id=\"1jyn2cj\" data-start=\"1190\" data-end=\"1207\">Alta resistenza<\/li><li data-section-id=\"1uwb231\" data-start=\"1208\" data-end=\"1231\">Costruzioni in acciaio<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03e78a4 e-con-full e-flex e-con e-child\" data-id=\"03e78a4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5641317 elementor-widget elementor-widget-heading\" data-id=\"5641317\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM A193 (B7, B8, ecc.)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-582da1f elementor-widget elementor-widget-text-editor\" data-id=\"582da1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"at1sj7\" data-start=\"1263\" data-end=\"1290\">Lega \/ acciaio inossidabile<\/li><li data-section-id=\"t1bwlc\" data-start=\"1291\" data-end=\"1322\">Alta temperatura \/ pressione<\/li><li data-section-id=\"bzd9l5\" data-start=\"1323\" data-end=\"1345\">Petrolio e gas, flange<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ce6cac e-con-full e-flex e-con e-parent\" data-id=\"8ce6cac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5af16c8 elementor-widget elementor-widget-heading\" data-id=\"5af16c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">ASTM vs. Gradi dei fissaggi ISO<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28f4cad elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"28f4cad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n.table-astm {\r\n  width: 100%;\r\n  border-collapse: collapse;\r\n  font-size: 14px;\r\n}\r\n.table-astm th {\r\n  text-align: left;\r\n  padding: 12px;\r\n  background-color: #333333;\r\n  color: #ffffff;\r\n}\r\n.table-astm td {\r\n  padding: 12px;\r\n  border-bottom: 1px solid #e0e0e0;\r\n}\r\n.table-astm tr:hover {\r\n  background-color: #f5f5f5;\r\n}\r\n<\/style>\r\n\r\n<table class=\"table-astm\">\r\n  <thead>\r\n    <tr>\r\n      <th>Grado ASTM<\/th>\r\n      <th>Equivalente ISO<\/th>\r\n      <th>Differenza chiave<\/th>\r\n    <\/tr>\r\n  <\/thead>\r\n  <tbody>\r\n    <tr>\r\n      <td>A307<\/td>\r\n      <td>4.6 \/ 5.6<\/td>\r\n      <td>Minore resistenza, propriet\u00e0 meccaniche meno controllate<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td>A325<\/td>\r\n      <td>8.8<\/td>\r\n      <td>Progettato per connessioni in acciaio strutturale con prestazioni definite<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td>A490<\/td>\r\n      <td>10.9+<\/td>\r\n      <td>Maggiore resistenza, non adatta alla zincatura a caldo a causa del rischio di infragilimento da idrogeno<\/td>\r\n    <\/tr>\r\n    <tr>\r\n      <td>A193 B7<\/td>\r\n      <td>\u2014<\/td>\r\n      <td>Acciaio legato per applicazioni ad alta temperatura e pressione (nessun equivalente ISO diretto)<\/td>\r\n    <\/tr>\r\n  <\/tbody>\r\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82c4afb e-con-full e-flex e-con e-parent\" data-id=\"82c4afb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d254091 elementor-widget elementor-widget-heading\" data-id=\"d254091\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quando usare i fissaggi ASTM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6c3b41 elementor-widget elementor-widget-text-editor\" data-id=\"a6c3b41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">I fissaggi ASTM sono tipicamente selezionati quando i requisiti dell'applicazione vanno oltre i fissaggi metrici standard. Sono comunemente utilizzati in ambienti strutturali, ad alto carico e ad alta temperatura, dove sono richiesti standard di prestazione definiti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-830bcce e-con-full e-flex e-con e-child\" data-id=\"830bcce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-96ef556 e-con-full e-flex e-con e-child\" data-id=\"96ef556\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da0d898 elementor-widget elementor-widget-heading\" data-id=\"da0d898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Acciaio strutturale<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3fb581 elementor-widget elementor-widget-text-editor\" data-id=\"f3fb581\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"15mrodh\" data-start=\"608\" data-end=\"628\">ASTM A325 \/ A490<\/li><li data-section-id=\"4uwsit\" data-start=\"629\" data-end=\"676\">Strutture in acciaio, ponti, carpenteria pesante<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f51e6bc e-con-full e-flex e-con e-child\" data-id=\"f51e6bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-895a512 elementor-widget elementor-widget-heading\" data-id=\"895a512\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Petrolio e gas \/ Flange<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f94dab3 elementor-widget elementor-widget-text-editor\" data-id=\"f94dab3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"1b2907g\" data-start=\"703\" data-end=\"719\">ASTM A193 B7<\/li><li data-section-id=\"kksyts\" data-start=\"720\" data-end=\"766\">Sistemi di pressione, tubazioni, alta temperatura<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e1768f2 e-con-full e-flex e-con e-child\" data-id=\"e1768f2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b89c8a6 elementor-widget elementor-widget-heading\" data-id=\"b89c8a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Uso generale (standard USA)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7baff93 elementor-widget elementor-widget-text-editor\" data-id=\"7baff93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-section-id=\"3e1lue\" data-start=\"804\" data-end=\"817\">ASTM A307<\/li><li data-section-id=\"1j8gbqb\" data-start=\"818\" data-end=\"876\">Applicazioni non critiche con specifiche imperiali<\/li><li data-section-id=\"at1sj7\" data-start=\"1263\" data-end=\"1290\">\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-631f089 e-con-full e-flex e-con e-parent\" data-id=\"631f089\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e2a2bc elementor-widget elementor-widget-heading\" data-id=\"2e2a2bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Errori comuni nella scelta dei fissaggi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ce2c7a elementor-widget elementor-widget-text-editor\" data-id=\"9ce2c7a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ammettendo che ASTM e ISO siano intercambiabili<\/p><p>\u00a0<\/p><p>Selezionando basandosi esclusivamente sulla classe di forza<\/p><p>\u00a0<\/p><p>Ignorando le limitazioni dei rivestimenti (ad esempio A490 e zincatura)<\/p><p>\u00a0<\/p><p>Non considerando la temperatura operativa<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM Fasteners for Industrial and Structural Applications ASTM-certified fasteners with full material traceability and documentation Solutions for oil &amp; gas, structural, energy and heavy industry sectors Technical evaluation, sourcing and fast delivery across Europe ASTM fasteners are engineered for high-performance applications where strength, temperature resistance and material traceability are critical. We supply ASTM-compliant bolts, nuts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6511,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-6610","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ASTM Fasteners Supplier Europe | A193 B7, Structural Bolts - Dueemme Sidol<\/title>\n<meta name=\"description\" content=\"ASTM fasteners supplier including A193 B7, A194 nuts and structural bolts. 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