{"id":3151,"date":"2026-03-27T14:38:25","date_gmt":"2026-03-27T13:38:25","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?page_id=3151"},"modified":"2026-03-27T14:42:30","modified_gmt":"2026-03-27T13:42:30","slug":"weld-neck","status":"publish","type":"page","link":"https:\/\/www.nickelcasting.com\/it\/product-forms\/flanges\/weld-neck\/","title":{"rendered":"Flange con collo a saldare"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3151\" class=\"elementor elementor-3151\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-13888be e-flex e-con-boxed e-con e-parent\" data-id=\"13888be\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a5d041 elementor-widget elementor-widget-html\" data-id=\"4a5d041\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<link rel=\"stylesheet\" href=\"\/zicss\/nickel5.css\">\n\n<div class=\"form-page-wrapper\">\n\n    <div class=\"breadcrumbs\">\n        <a href=\"\/it\/\">Casa<\/a> \n        <span class=\"separator\">\/<\/span> \n        <a href=\"\/it\/product-forms\/\">Forme di prodotto<\/a>\n        <span class=\"separator\">\/<\/span> \n        <a href=\"\/it\/product-forms\/flanges\/\">Flange<\/a>\n        <span class=\"separator\">\/<\/span> \n        Collo a saldare\n    <\/div>\n\n    <div class=\"form-hero\">\n        <h1>Flange a collo di saldatura in lega di nichel<\/h1>\n        \n        <p>\n            Quando i sistemi di tubazioni operano in condizioni di pressione estrema, di forti fluttuazioni di temperatura o di mezzi altamente pericolosi, Weld Neck <a href=\"https:\/\/www.nickelcasting.com\/it\/product-forms\/flanges\/\">Flange<\/a> (WNRF \/ WNRTJ) sono lo standard del settore. 28Nickel produce flange a collo di saldatura forgiate in lega di nichel di qualit\u00e0 superiore, caratterizzate da un caratteristico mozzo lungo e rastremato che trasferisce gradualmente le sollecitazioni dalla base della flangia al tubo, garantendo l'assoluta integrit\u00e0 del giunto nelle applicazioni chimiche e offshore pi\u00f9 critiche.\n        <\/p>\n    <\/div>\n\n    <h2 class=\"section-title\">Gradi di lega disponibili per le flange a colletto saldato<\/h2>\n    <p>\n        Poich\u00e9 le flange a collo di saldatura sono saldate direttamente al tubo, il loro materiale deve adattarsi perfettamente al sistema di tubazioni per garantire una saldatura impeccabile e un'espansione termica uniforme. Noi forniamo questi componenti critici forgiati con le superleghe pi\u00f9 robuste al mondo.\n    <\/p>\n    \n    <div class=\"available-grades-box\">\n        <h3 style=\"margin-top:0; color: var(--primary-color); font-size: 1.2rem;\">Selezionare un grado per visualizzare le specifiche del materiale:<\/h3>\n        <div class=\"grade-tags-container\">\n            <a href=\"\/it\/leghe-di-nichel\/leghe-di-nichel-inconel\/inconel-625\/\" class=\"grade-tag\">Inconel\u00ae 625 (eccellente resistenza alla vaiolatura)<\/a>\n            <a href=\"\/it\/leghe-di-nichel\/leghe-di-nichel-inconel\/inconel-718\/\" class=\"grade-tag\">Inconel\u00ae 718 (alta resistenza\/pressione)<\/a>\n            \n            <a href=\"\/it\/leghe-di-nichel\/monel-metal-alloys\/monel-400\/\" class=\"grade-tag\">Monel\u00ae 400 (acido HF e acqua di mare)<\/a>\n            <a href=\"\/it\/leghe-di-nichel\/monel-metal-alloys\/monel-k500\/\" class=\"grade-tag\">Monel\u00ae K-500 (marina\/gas acido)<\/a>\n            \n            <a href=\"\/it\/leghe-di-nichel\/hastelloy-alloys\/hastelloy-c276\/\" class=\"grade-tag\">Hastelloy\u00ae C-276 (trattamento chimico severo)<\/a>\n            <a href=\"\/it\/leghe-di-nichel\/waspaloy\/\" class=\"grade-tag\">Waspaloy\u00ae (scarichi ad altissima temperatura)<\/a>\n        <\/div>\n    <\/div>\n\n    <h2 class=\"section-title\">Vantaggi tecnici delle flange a collo saldato<\/h2>\n    <p style=\"margin-bottom: 25px;\">\n        A differenza delle flange slip-on o a bicchiere, le flange con collo a saldare sono progettate specificamente per resistere a forti flessioni, vibrazioni e shock termici.\n    <\/p>\n    \n    \n    <div class=\"forms-grid\">\n        \n        <div class=\"form-card\">\n            <div class=\"form-card-header\">\n                <div class=\"form-icon\">\ud83d\uddfc<\/div>\n                <h3>Design del mozzo conico<\/h3>\n            <\/div>\n            <p>Il mozzo lungo e rastremato fa scendere gradualmente lo spessore della flangia fino allo spessore della parete del tubo. Questo riduce drasticamente la concentrazione delle sollecitazioni alla base della flangia, spostando il carico sulla parete del tubo.<\/p>\n        <\/div>\n\n        <div class=\"form-card\">\n            <div class=\"form-card-header\">\n                <div class=\"form-icon\">\ud83d\udd0d<\/div>\n                <h3>Pronto per la radiografia<\/h3>\n            <\/div>\n            <p>Poich\u00e9 la flangia \u00e8 unita al tubo con un'unica saldatura di testa a V a penetrazione totale, il giunto pu\u00f2 essere facilmente ispezionato con la radiografia a raggi X 100%, un requisito essenziale per le linee chimiche ad alto rischio.<\/p>\n        <\/div>\n\n        <div class=\"form-card\">\n            <div class=\"form-card-header\">\n                <div class=\"form-icon\">\ud83c\udf0a<\/div>\n                <h3>Flusso interno regolare<\/h3>\n            <\/div>\n            <p>Il foro della flangia \u00e8 lavorato con precisione per adattarsi al diametro interno (ID) del tubo di collegamento. Questo crea una transizione senza soluzione di continuit\u00e0 che riduce al minimo le turbolenze, l'erosione e le perdite di carico.<\/p>\n        <\/div>\n\n        <div class=\"form-card\">\n            <div class=\"form-card-header\">\n                <div class=\"form-icon\">\u2699\ufe0f<\/div>\n                <h3>Opzioni di rivestimento multiple<\/h3>\n            <\/div>\n            <p>Disponibili in versione a faccia rialzata (RF) per applicazioni industriali standard e in versione giunto ad anello (RTJ) per pressioni estreme (Classe 900# e superiore), dove vengono utilizzate guarnizioni ad anello metallico per una tenuta perfetta.<\/p>\n        <\/div>\n\n    <\/div>\n\n    <div class=\"section-title\">Specifiche e dimensioni standard<\/div>\n    <div class=\"data-table-wrap\">\n        <table class=\"tech-table\">\n            <thead>\n                <tr>\n                    <th width=\"30%\">Categoria di specifiche<\/th>\n                    <th width=\"70%\">Dettagli e standard<\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td><strong>Standard dimensionali<\/strong><\/td>\n                    <td>ASME \/ ANSI B16.5 (fino a 24\"), ASME B16.47 Serie A e B (grande diametro &gt; 24\")<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Classi di pressione<\/strong><\/td>\n                    <td>150#, 300#, 600#, 900#, 1500#, 2500#<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Alesaggio \/ Schema del tubo<\/strong><\/td>\n                    <td><strong>Cruciale:<\/strong> La dimensione del foro di una flangia con collo a saldare deve corrispondere alla sezione (ad esempio, Sch 40S, Sch 80S, Sch 160) del tubo adiacente per garantire una connessione interna a filo.<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Rivestimento della flangia<\/strong><\/td>\n                    <td>Faccia rialzata (WNRF), faccia piana (WNFF), giunto ad anello (WNRTJ)<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Processo di produzione<\/strong><\/td>\n                    <td>Forgiate a caldo e lavorate a controllo numerico. Le nostre flange non sono mai fuse.<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n    <\/div>\n\n    <div class=\"cta-block\">\n        <h3>Siete pronti a richiedere un preventivo?<\/h3>\n        <p>Quando si richiedono informazioni sulle flange a collo saldato, si prega di specificare il grado di lega, la dimensione nominale del tubo (NPS), la classe di pressione (ad esempio, 600#), il rivestimento della flangia (ad esempio, RTJ) e, soprattutto, la classe di pressione di appartenenza. <strong>schema delle tubazioni<\/strong> (ad esempio, Sch 80). <\/p>\n        <a href=\"\/it\/contact\/\" class=\"quote-btn\">Richiedete un preventivo per il collo di saldatura<\/a>\n    <\/div>\n\n<\/div>\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home \/ Product Forms \/ Flanges \/ Weld Neck Nickel Alloy Weld Neck Flanges When piping systems operate under extreme pressure, severe temperature fluctuations, or highly hazardous media, Weld Neck Flanges (WNRF \/ WNRTJ) are the industry standard. 28Nickel manufactures premium forged nickel alloy weld neck flanges featuring a distinctive long tapered hub that gradually [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":3145,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","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":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-3151","page","type-page","status-publish","hentry"],"spectra_custom_meta":{"rank_math_seo_score":["70"],"_edit_last":["1"],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:17:\"weld neck flanges\";}"],"rank_math_internal_links_processed":["1"],"site-sidebar-layout":["no-sidebar"],"ast-site-content-layout":["full-width-container"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"_edit_lock":["1774618853:1"],"_elementor_edit_mode":["builder"],"_astra_content_layout_flag":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"site-content-layout":["page-builder"],"_elementor_template_type":["wp-page"],"_elementor_version":["3.33.2"],"_elementor_pro_version":["3.32.3"],"_elementor_data":["[{\"id\":\"13888be\",\"elType\":\"container\",\"settings\":{\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"50e6eaf\"}]},\"elements\":[{\"id\":\"4a5d041\",\"elType\":\"widget\",\"settings\":{\"html\":\"<link rel=\\\"stylesheet\\\" href=\\\"\\\/zicss\\\/nickel5.css\\\">\\n\\n<div class=\\\"form-page-wrapper\\\">\\n\\n    <div class=\\\"breadcrumbs\\\">\\n        <a href=\\\"\\\/\\\">Home<\\\/a> \\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/product-forms\\\/\\\">Product Forms<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/product-forms\\\/flanges\\\/\\\">Flanges<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        Weld Neck\\n    <\\\/div>\\n\\n    <div class=\\\"form-hero\\\">\\n        <h1>Nickel Alloy Weld Neck Flanges<\\\/h1>\\n        \\n        <p>\\n            When piping systems operate under extreme pressure, severe temperature fluctuations, or highly hazardous media, Weld Neck Flanges (WNRF \\\/ WNRTJ) are the industry standard. 28Nickel manufactures premium forged nickel alloy weld neck flanges featuring a distinctive long tapered hub that gradually transfers stress from the flange base to the pipe, ensuring absolute joint integrity in the most critical chemical and offshore applications.\\n        <\\\/p>\\n    <\\\/div>\\n\\n    <h2 class=\\\"section-title\\\">Available Alloy Grades for Weld Neck Flanges<\\\/h2>\\n    <p>\\n        Because weld neck flanges are butt-welded directly to the pipe, their material must perfectly match the piping system to ensure a flawless weld and uniform thermal expansion. We supply these critical components forged from the world's most robust superalloys.\\n    <\\\/p>\\n    \\n    <div class=\\\"available-grades-box\\\">\\n        <h3 style=\\\"margin-top:0; color: var(--primary-color); font-size: 1.2rem;\\\">Select a Grade to View Material Specs:<\\\/h3>\\n        <div class=\\\"grade-tags-container\\\">\\n            <a href=\\\"\\\/nickel-alloys\\\/inconel-nickel-alloys\\\/inconel-625\\\/\\\" class=\\\"grade-tag\\\">Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/inconel-nickel-alloys\\\/inconel-718\\\/\\\" class=\\\"grade-tag\\\">Inconel\\u00ae 718 (High Strength\\\/Pressure)<\\\/a>\\n            \\n            <a href=\\\"\\\/nickel-alloys\\\/monel-metal-alloys\\\/monel-400\\\/\\\" class=\\\"grade-tag\\\">Monel\\u00ae 400 (HF Acid & Seawater)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/monel-metal-alloys\\\/monel-k500\\\/\\\" class=\\\"grade-tag\\\">Monel\\u00ae K-500 (Marine\\\/Sour Gas)<\\\/a>\\n            \\n            <a href=\\\"\\\/nickel-alloys\\\/hastelloy-alloys\\\/hastelloy-c276\\\/\\\" class=\\\"grade-tag\\\">Hastelloy\\u00ae C-276 (Severe Chemical Processing)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/waspaloy\\\/\\\" class=\\\"grade-tag\\\">Waspaloy\\u00ae (Extreme High Temp Exhausts)<\\\/a>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <h2 class=\\\"section-title\\\">Engineering Advantages of Weld Neck Flanges<\\\/h2>\\n    <p style=\\\"margin-bottom: 25px;\\\">\\n        Unlike slip-on or socket-weld flanges, weld neck flanges are engineered specifically to endure severe bending, vibration, and thermal shock.\\n    <\\\/p>\\n    \\n    \\n    <div class=\\\"forms-grid\\\">\\n        \\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83d\\uddfc<\\\/div>\\n                <h3>Tapered Hub Design<\\\/h3>\\n            <\\\/div>\\n            <p>The long tapered hub gradually transitions the thickness of the flange down to the wall thickness of the pipe. This drastically reduces stress concentration at the base of the flange, shifting the load to the pipe wall.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83d\\udd0d<\\\/div>\\n                <h3>Radiography Ready<\\\/h3>\\n            <\\\/div>\\n            <p>Because the flange is joined to the pipe using a single full-penetration V-bevel butt weld, the joint can easily be inspected using 100% X-ray radiography, an essential requirement for high-hazard chemical lines.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83c\\udf0a<\\\/div>\\n                <h3>Smooth Internal Flow<\\\/h3>\\n            <\\\/div>\\n            <p>The bore of the flange is precisely machined to match the inner diameter (ID) of the connecting pipe. This creates a seamless transition that minimizes turbulence, erosion, and pressure drop.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\u2699\\ufe0f<\\\/div>\\n                <h3>Multiple Facing Options<\\\/h3>\\n            <\\\/div>\\n            <p>Available in Raised Face (RF) for standard industrial applications, and Ring Type Joint (RTJ) for extreme pressure (Class 900# and above) where metallic ring gaskets are utilized for a perfect seal.<\\\/p>\\n        <\\\/div>\\n\\n    <\\\/div>\\n\\n    <div class=\\\"section-title\\\">Standard Specifications & Dimensions<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th width=\\\"30%\\\">Specification Category<\\\/th>\\n                    <th width=\\\"70%\\\">Details & Standards<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Dimensional Standards<\\\/strong><\\\/td>\\n                    <td>ASME \\\/ ANSI B16.5 (Up to 24\\\"), ASME B16.47 Series A & B (Large Diameter > 24\\\")<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Pressure Classes<\\\/strong><\\\/td>\\n                    <td>150#, 300#, 600#, 900#, 1500#, 2500#<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Bore \\\/ Pipe Schedule<\\\/strong><\\\/td>\\n                    <td><strong>Crucial:<\\\/strong> The bore size of a weld neck flange must match the schedule (e.g., Sch 40S, Sch 80S, Sch 160) of the adjoining pipe to ensure a flush internal connection.<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Flange Facing<\\\/strong><\\\/td>\\n                    <td>Raised Face (WNRF), Flat Face (WNFF), Ring Type Joint (WNRTJ)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Manufacturing Process<\\\/strong><\\\/td>\\n                    <td>Precision Hot Forged & CNC Machined. Our flanges are never cast.<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n    <\\\/div>\\n\\n    <div class=\\\"cta-block\\\">\\n        <h3>Ready to Request a Quote?<\\\/h3>\\n        <p>When inquiring about Weld Neck Flanges, please specify the alloy grade, nominal pipe size (NPS), pressure class (e.g., 600#), flange facing (e.g., RTJ), and importantly, the <strong>pipe schedule<\\\/strong> (e.g., Sch 80). <\\\/p>\\n        <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Get a Weld Neck Quote<\\\/a>\\n    <\\\/div>\\n\\n<\\\/div>\",\"display_condition_list\":[{\"display_condition_login_status\":\"subscriber\",\"_id\":\"558f009\"}]},\"elements\":[],\"widgetType\":\"html\"}],\"isInner\":false}]"],"_elementor_page_settings":["a:0:{}"],"_elementor_controls_usage":["a:2:{s:4:\"html\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:2:{s:7:\"content\";a:1:{s:13:\"section_title\";a:1:{s:4:\"html\";i:1;}}s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}s:9:\"container\";a:3:{s:5:\"count\";i:1;s:15:\"control_percent\";i:0;s:8:\"controls\";a:1:{s:8:\"advanced\";a:1:{s:26:\"display_conditions_section\";a:1:{s:22:\"display_condition_list\";i:1;}}}}}"],"rank_math_focus_keyword":["weld neck flanges"],"rank_math_description":["Nickel alloy weld neck flanges in Inconel, Monel, Hastelloy and Waspaloy for high-pressure, high-temperature chemical and offshore piping systems."],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1779372270\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-3151.css"],"_elementor_page_assets":["a:1:{s:7:\"scripts\";a:1:{i:0;s:18:\"elementor-frontend\";}}"],"_elementor_css":["a:6:{s:4:\"time\";i:1779911421;s:5:\"fonts\";a:0:{}s:5:\"icons\";a:0:{}s:20:\"dynamic_elements_ids\";a:0:{}s:6:\"status\";s:4:\"file\";i:0;s:0:\"\";}"],"_elementor_element_cache":["{\"timeout\":1780001421,\"value\":{\"content\":\"<div class=\\\"elementor-element elementor-element-13888be e-flex e-con-boxed e-con e-parent\\\" data-id=\\\"13888be\\\" data-element_type=\\\"container\\\">\\n\\t\\t\\t\\t\\t<div class=\\\"e-con-inner\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-4a5d041 elementor-widget elementor-widget-html\\\" data-id=\\\"4a5d041\\\" data-element_type=\\\"widget\\\" data-widget_type=\\\"html.default\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-widget-container\\\">\\n\\t\\t\\t\\t\\t<link rel=\\\"stylesheet\\\" href=\\\"\\\/zicss\\\/nickel5.css\\\">\\n\\n<div class=\\\"form-page-wrapper\\\">\\n\\n    <div class=\\\"breadcrumbs\\\">\\n        <a href=\\\"\\\/\\\">Home<\\\/a> \\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/product-forms\\\/\\\">Product Forms<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        <a href=\\\"\\\/product-forms\\\/flanges\\\/\\\">Flanges<\\\/a>\\n        <span class=\\\"separator\\\">\\\/<\\\/span> \\n        Weld Neck\\n    <\\\/div>\\n\\n    <div class=\\\"form-hero\\\">\\n        <h1>Nickel Alloy Weld Neck Flanges<\\\/h1>\\n        \\n        <p>\\n            When piping systems operate under extreme pressure, severe temperature fluctuations, or highly hazardous media, Weld Neck Flanges (WNRF \\\/ WNRTJ) are the industry standard. 28Nickel manufactures premium forged nickel alloy weld neck flanges featuring a distinctive long tapered hub that gradually transfers stress from the flange base to the pipe, ensuring absolute joint integrity in the most critical chemical and offshore applications.\\n        <\\\/p>\\n    <\\\/div>\\n\\n    <h2 class=\\\"section-title\\\">Available Alloy Grades for Weld Neck Flanges<\\\/h2>\\n    <p>\\n        Because weld neck flanges are butt-welded directly to the pipe, their material must perfectly match the piping system to ensure a flawless weld and uniform thermal expansion. We supply these critical components forged from the world's most robust superalloys.\\n    <\\\/p>\\n    \\n    <div class=\\\"available-grades-box\\\">\\n        <h3 style=\\\"margin-top:0; color: var(--primary-color); font-size: 1.2rem;\\\">Select a Grade to View Material Specs:<\\\/h3>\\n        <div class=\\\"grade-tags-container\\\">\\n            <a href=\\\"\\\/nickel-alloys\\\/inconel-nickel-alloys\\\/inconel-625\\\/\\\" class=\\\"grade-tag\\\">Inconel\\u00ae 625 (Excellent Pitting Resistance)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/inconel-nickel-alloys\\\/inconel-718\\\/\\\" class=\\\"grade-tag\\\">Inconel\\u00ae 718 (High Strength\\\/Pressure)<\\\/a>\\n            \\n            <a href=\\\"\\\/nickel-alloys\\\/monel-metal-alloys\\\/monel-400\\\/\\\" class=\\\"grade-tag\\\">Monel\\u00ae 400 (HF Acid & Seawater)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/monel-metal-alloys\\\/monel-k500\\\/\\\" class=\\\"grade-tag\\\">Monel\\u00ae K-500 (Marine\\\/Sour Gas)<\\\/a>\\n            \\n            <a href=\\\"\\\/nickel-alloys\\\/hastelloy-alloys\\\/hastelloy-c276\\\/\\\" class=\\\"grade-tag\\\">Hastelloy\\u00ae C-276 (Severe Chemical Processing)<\\\/a>\\n            <a href=\\\"\\\/nickel-alloys\\\/waspaloy\\\/\\\" class=\\\"grade-tag\\\">Waspaloy\\u00ae (Extreme High Temp Exhausts)<\\\/a>\\n        <\\\/div>\\n    <\\\/div>\\n\\n    <h2 class=\\\"section-title\\\">Engineering Advantages of Weld Neck Flanges<\\\/h2>\\n    <p style=\\\"margin-bottom: 25px;\\\">\\n        Unlike slip-on or socket-weld flanges, weld neck flanges are engineered specifically to endure severe bending, vibration, and thermal shock.\\n    <\\\/p>\\n    \\n    \\n    <div class=\\\"forms-grid\\\">\\n        \\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83d\\uddfc<\\\/div>\\n                <h3>Tapered Hub Design<\\\/h3>\\n            <\\\/div>\\n            <p>The long tapered hub gradually transitions the thickness of the flange down to the wall thickness of the pipe. This drastically reduces stress concentration at the base of the flange, shifting the load to the pipe wall.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83d\\udd0d<\\\/div>\\n                <h3>Radiography Ready<\\\/h3>\\n            <\\\/div>\\n            <p>Because the flange is joined to the pipe using a single full-penetration V-bevel butt weld, the joint can easily be inspected using 100% X-ray radiography, an essential requirement for high-hazard chemical lines.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\ud83c\\udf0a<\\\/div>\\n                <h3>Smooth Internal Flow<\\\/h3>\\n            <\\\/div>\\n            <p>The bore of the flange is precisely machined to match the inner diameter (ID) of the connecting pipe. This creates a seamless transition that minimizes turbulence, erosion, and pressure drop.<\\\/p>\\n        <\\\/div>\\n\\n        <div class=\\\"form-card\\\">\\n            <div class=\\\"form-card-header\\\">\\n                <div class=\\\"form-icon\\\">\\u2699\\ufe0f<\\\/div>\\n                <h3>Multiple Facing Options<\\\/h3>\\n            <\\\/div>\\n            <p>Available in Raised Face (RF) for standard industrial applications, and Ring Type Joint (RTJ) for extreme pressure (Class 900# and above) where metallic ring gaskets are utilized for a perfect seal.<\\\/p>\\n        <\\\/div>\\n\\n    <\\\/div>\\n\\n    <div class=\\\"section-title\\\">Standard Specifications & Dimensions<\\\/div>\\n    <div class=\\\"data-table-wrap\\\">\\n        <table class=\\\"tech-table\\\">\\n            <thead>\\n                <tr>\\n                    <th width=\\\"30%\\\">Specification Category<\\\/th>\\n                    <th width=\\\"70%\\\">Details & Standards<\\\/th>\\n                <\\\/tr>\\n            <\\\/thead>\\n            <tbody>\\n                <tr>\\n                    <td><strong>Dimensional Standards<\\\/strong><\\\/td>\\n                    <td>ASME \\\/ ANSI B16.5 (Up to 24\\\"), ASME B16.47 Series A & B (Large Diameter > 24\\\")<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Pressure Classes<\\\/strong><\\\/td>\\n                    <td>150#, 300#, 600#, 900#, 1500#, 2500#<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Bore \\\/ Pipe Schedule<\\\/strong><\\\/td>\\n                    <td><strong>Crucial:<\\\/strong> The bore size of a weld neck flange must match the schedule (e.g., Sch 40S, Sch 80S, Sch 160) of the adjoining pipe to ensure a flush internal connection.<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Flange Facing<\\\/strong><\\\/td>\\n                    <td>Raised Face (WNRF), Flat Face (WNFF), Ring Type Joint (WNRTJ)<\\\/td>\\n                <\\\/tr>\\n                <tr>\\n                    <td><strong>Manufacturing Process<\\\/strong><\\\/td>\\n                    <td>Precision Hot Forged & CNC Machined. Our flanges are never cast.<\\\/td>\\n                <\\\/tr>\\n            <\\\/tbody>\\n        <\\\/table>\\n    <\\\/div>\\n\\n    <div class=\\\"cta-block\\\">\\n        <h3>Ready to Request a Quote?<\\\/h3>\\n        <p>When inquiring about Weld Neck Flanges, please specify the alloy grade, nominal pipe size (NPS), pressure class (e.g., 600#), flange facing (e.g., RTJ), and importantly, the <strong>pipe schedule<\\\/strong> (e.g., Sch 80). <\\\/p>\\n        <a href=\\\"\\\/contact\\\/\\\" class=\\\"quote-btn\\\">Get a Weld Neck Quote<\\\/a>\\n    <\\\/div>\\n\\n<\\\/div>\\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\",\"scripts\":[],\"styles\":[]}}"]},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/it\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Home \/ Product Forms \/ Flanges \/ Weld Neck Nickel Alloy Weld Neck Flanges When piping systems operate under extreme pressure, severe temperature fluctuations, or highly hazardous media, Weld Neck Flanges (WNRF \/ WNRTJ) are the industry standard. 28Nickel manufactures premium forged nickel alloy weld neck flanges featuring a distinctive long tapered hub that gradually&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/pages\/3151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/comments?post=3151"}],"version-history":[{"count":6,"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/pages\/3151\/revisions"}],"predecessor-version":[{"id":3157,"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/pages\/3151\/revisions\/3157"}],"up":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/pages\/3145"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/it\/wp-json\/wp\/v2\/media?parent=3151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}