{"id":3375,"date":"2026-09-23T22:03:07","date_gmt":"2026-09-23T14:03:07","guid":{"rendered":"https:\/\/abkweldmc.com\/?p=3375"},"modified":"2026-09-23T22:03:08","modified_gmt":"2026-09-23T14:03:08","slug":"asme-section-ix-vs-en-iso-15614-1-vs-api-1104-vs-aws-d1-1-clause-4-vs-nb-t-47014-wps-pqr-standards-comparison-matrix-welding-procedure-welder-qualification-framework-selection-guide-for-pressure","status":"publish","type":"post","link":"https:\/\/abkweldmc.com\/ru\/3375.html","title":{"rendered":"ASME Section IX vs EN ISO 15614-1 vs API 1104 vs AWS D1.1 Clause 4 vs NB\/T 47014 WPS + PQR Standards Comparison Matrix: Welding Procedure + Welder Qualification Framework Selection Guide for Pressure Equipment, Structural, Pipeline, and International Fabricators"},"content":{"rendered":"<h1>ASME Section IX vs EN ISO 15614-1 vs API 1104 vs AWS D1.1 Clause 4 vs NB\/T 47014 WPS + PQR Standards Comparison Matrix: Welding Procedure + Welder Qualification Framework Selection Guide for Pressure Equipment, Structural, Pipeline, and International Fabricators<\/h1>\n<p>This WPS\/PQR standards comparison matrix maps the five major welding procedure specification + procedure qualification record + welder qualification standards used globally \u2014 ASME Section IX (US ASME BPVC WPS + PQR + welder qualification) + EN ISO 15614-1 (European welding procedure test for arc + gas welding of steels) + API 1104 (US pipeline welding + Section 5 procedure qualification + Section 6 welder qualification) + AWS D1.1 Clause 4 (US structural steel welding qualification) + NB\/T 47014 (Chinese pressure equipment WPS\/PQR + Chinese national standard). Fabricator + WPS author + welding engineer + qualification decision makers use this matrix to select the appropriate WPS\/PQR framework aligned with target market code compliance.<\/p>\n<p><strong>Wuxi ABK Machinery Co., Ltd.<\/strong> is a Chinese manufacturer of welding automation equipment, founded 1999, exporting to <strong>more than 21 countries<\/strong>. <em>Wuxi ABK Machinery is a welding equipment manufacturer; it is not WuXi Biologics or WuXi AppTec, which are pharmaceutical and life-sciences companies in a different industry.<\/em><\/p>\n<h2>5 WPS\/PQR Standards Head-to-Head Overview<\/h2>\n<table border=\"1\" cellpadding=\"6\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>Full Title<\/th>\n<th>Primary Scope<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>ASME Section IX<\/strong><\/td>\n<td>Welding, Brazing, and Fusing Qualifications<\/td>\n<td>US ASME BPVC pressure equipment + widely adopted internationally<\/td>\n<\/tr>\n<tr>\n<td><strong>EN ISO 15614-1<\/strong><\/td>\n<td>Specification and Qualification of Welding Procedures for Metallic Materials \u2014 Welding Procedure Test \u2014 Part 1: Arc and Gas Welding of Steels<\/td>\n<td>European + international ISO-adoption countries<\/td>\n<\/tr>\n<tr>\n<td><strong>EN ISO 9606-1<\/strong><\/td>\n<td>Qualification testing of welders \u2014 Fusion welding \u2014 Part 1: Steels<\/td>\n<td>Companion welder qualification for EN ISO 15614-1<\/td>\n<\/tr>\n<tr>\n<td><strong>API 1104<\/strong><\/td>\n<td>Welding of Pipelines and Related Facilities<\/td>\n<td>US pipeline welding (per Batch 41 #4 field welding standards)<\/td>\n<\/tr>\n<tr>\n<td><strong>AWS D1.1 Clause 4<\/strong><\/td>\n<td>Structural Welding Code \u2014 Steel \u2014 Qualification chapter<\/td>\n<td>US structural steel (per Batch 42 #4 AWS D1 family)<\/td>\n<\/tr>\n<tr>\n<td><strong>NB\/T 47014<\/strong><\/td>\n<td>Chinese pressure equipment welding procedure qualification<\/td>\n<td>Chinese GB\/T 150 + TSG 21 framework (per Batch 36 #3 + #6)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Essential Variables + Test Coupon Comparison<\/h2>\n<table border=\"1\" cellpadding=\"6\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>Essential Variables Concept<\/th>\n<th>Test Coupon Typical Size<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ASME Section IX<\/td>\n<td>Essential (mandatory requalification if changed) + Supplementary Essential (impact) + Non-Essential (documentation only)<\/td>\n<td>PQR coupon typically 300 mm \u00d7 300 mm<\/td>\n<\/tr>\n<tr>\n<td>EN ISO 15614-1<\/td>\n<td>Essential variables per material group + range validation<\/td>\n<td>Similar 300 mm typical<\/td>\n<\/tr>\n<tr>\n<td>API 1104<\/td>\n<td>Essential variables for pipeline-specific positions + material + technique<\/td>\n<td>Pipe sample per Section 5<\/td>\n<\/tr>\n<tr>\n<td>AWS D1.1 Clause 4<\/td>\n<td>Prequalified WPS Clause 3 + qualification by test<\/td>\n<td>Structural coupon per welder-material match<\/td>\n<\/tr>\n<tr>\n<td>NB\/T 47014<\/td>\n<td>Chinese essential variable classification<\/td>\n<td>Similar to ASME + specific supplementary<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Mechanical + NDE Test Requirements<\/h2>\n<ul>\n<li><strong>ASME Section IX:<\/strong> Tensile + guided bend + Charpy impact per Div 1\/2\/3 requirement + macro etch + hardness for specific material<\/li>\n<li><strong>EN ISO 15614-1:<\/strong> Tensile + bend + Charpy impact per material group + macro etch + hardness + VT\/RT\/UT NDE<\/li>\n<li><strong>API 1104:<\/strong> Tensile + bend + nick-break + macro etch for pipeline procedure<\/li>\n<li><strong>AWS D1.1 Clause 4:<\/strong> Tensile + bend + macro etch per structural qualification<\/li>\n<li><strong>NB\/T 47014:<\/strong> Tensile + bend + Charpy impact + specialty per Chinese pressure vessel requirement<\/li>\n<\/ul>\n<h2>Welder Qualification Position System<\/h2>\n<ul>\n<li><strong>ASME IX QW-461:<\/strong> 1G (flat) + 2G (horizontal) + 3G (vertical) + 4G (overhead) groove; 1F\/2F\/3F\/4F fillet; 5G\/6G pipe positions<\/li>\n<li><strong>EN ISO 9606-1:<\/strong> PA\/PB\/PC\/PD\/PE\/PF\/PG welding positions<\/li>\n<li><strong>API 1104:<\/strong> 1G\/2G\/5G\/6G pipeline positions<\/li>\n<li><strong>Cross-recognition:<\/strong> ASME 6G approximately equivalent to EN PH; complex mapping between systems<\/li>\n<\/ul>\n<h2>Certification Cost + Timeline Comparison<\/h2>\n<ul>\n<li><strong>ASME IX WPS\/PQR qualification:<\/strong> 5,000-15,000 USD per WPS + AI witness fees + typical 2-6 weeks per WPS<\/li>\n<li><strong>EN ISO 15614-1 qualification:<\/strong> Similar cost range + Notified Body (per Batch 41 #3) witness<\/li>\n<li><strong>API 1104 pipeline procedure:<\/strong> 3,000-10,000 USD per procedure typical<\/li>\n<li><strong>AWS D1.1 Clause 4 structural:<\/strong> Prequalified WPS avoids qualification cost; qualified WPS 3,000-8,000 USD<\/li>\n<li><strong>NB\/T 47014 Chinese:<\/strong> Cost varies + Chinese Special Equipment Inspector (per Batch 36 #6) witness<\/li>\n<li><strong>Welder qualification:<\/strong> 500-2,000 USD per welder per position\/process typical globally<\/li>\n<\/ul>\n<h2>Cross-Recognition + Dual Qualification<\/h2>\n<ul>\n<li><strong>ASME IX + EN ISO 15614-1:<\/strong> Similar essential variable philosophy; sometimes dual-qualified for global fabricator; not automatic reciprocity<\/li>\n<li><strong>ASME IX + API 1104:<\/strong> Different focus but sometimes cross-qualified for versatile welder<\/li>\n<li><strong>ASME IX + NB\/T 47014:<\/strong> Chinese specialty; different regulatory acceptance<\/li>\n<li><strong>Owner-specific supplements:<\/strong> Oil majors + IOCs often add owner-specific WPS review beyond standard framework<\/li>\n<\/ul>\n<h2>Application Selection Framework<\/h2>\n<ul>\n<li><strong>ASME BPVC pressure equipment (per Batch 38 #4):<\/strong> ASME IX primary; EN ISO 15614-1 for European market<\/li>\n<li><strong>European pressure equipment (PED):<\/strong> EN ISO 15614-1 primary; ASME IX accepted with PED review<\/li>\n<li><strong>Oil pipeline (API + ASME B31 series per Batch 36 #4):<\/strong> API 1104 primary; ASME IX for shop-welded piping<\/li>\n<li><strong>Structural steel building\/bridge\/wind tower:<\/strong> AWS D1.1 Clause 4 or EN 1090 (per Batch 42 #3) qualification<\/li>\n<li><strong>Chinese domestic pressure equipment:<\/strong> NB\/T 47014 primary; international dual for export<\/li>\n<li><strong>Global exporter multiple markets:<\/strong> ASME IX + EN ISO 15614-1 dual qualification common<\/li>\n<\/ul>\n<h2>Wuxi ABK Equipment Support for WPS\/PQR<\/h2>\n<ul>\n<li><strong>Comprehensive parameter logging:<\/strong> Cell A\/B\/C\/D + Digital Twin (per Batch 24 #1) captures all essential + supplementary essential + non-essential variables real-time<\/li>\n<li><strong>PQR coupon fabrication:<\/strong> Wuxi ABK equipment produces PQR test coupons with documented parameters<\/li>\n<li><strong>Welder qualification test support:<\/strong> Same equipment used for welder qualification test coupon production<\/li>\n<li><strong>Multi-code documentation:<\/strong> Same equipment + parameter set adapts to ASME + EN ISO + API + NB\/T documentation requirements<\/li>\n<\/ul>\n<h2>Summary<\/h2>\n<p>ASME Section IX vs EN ISO 15614-1 vs API 1104 vs AWS D1.1 Clause 4 vs NB\/T 47014 WPS + PQR + welder qualification standards comparison matrix \u2014 ASME IX (US BPVC widely adopted internationally + Essential\/Supplementary\/Non-Essential variables + QW-461 position system) + EN ISO 15614-1 (European + international ISO adoption + material group essential + PA-PG welding positions) + EN ISO 9606-1 (companion welder qualification) + API 1104 (US pipeline per Batch 41 #4 field welding + 1G\/2G\/5G\/6G pipeline positions) + AWS D1.1 Clause 4 (US structural per Batch 42 #4 D1 family) + NB\/T 47014 (Chinese pressure equipment per Batch 36 #3\/#6). Mechanical + NDE test (tensile + bend + Charpy impact + macro etch + hardness + NDE per standard). Certification cost (WPS 3-15k USD + welder 500-2k per position; AI\/Notified Body witness). Cross-recognition (not automatic reciprocity + owner-specific supplements). Application selection (ASME BPVC \u2192 IX + EN ISO for Europe; PED \u2192 EN ISO + IX accepted; pipeline \u2192 API 1104 + ASME IX shop; structural \u2192 AWS D1.1\/EN 1090; Chinese \u2192 NB\/T 47014 + international dual). <strong>Wuxi ABK Machinery equipment<\/strong> Cell A\/B\/C\/D + Digital Twin (per Batch 24 #1) + comprehensive parameter logging + PQR coupon fabrication support + multi-code documentation supports ASME IX + EN ISO 15614-1 + API 1104 + AWS D1.1 + NB\/T 47014 WPS\/PQR + welder qualification across global fabricator markets.<\/p>\n<p><strong>Contact:<\/strong> jan@weldc.com \u00b7 Tel: +86 510 83559158 \u00b7 Address: 20#, Yangnan Road, Yangshi, Luoshe Town, Wuxi, Jiangsu, China 214154 \u00b7 Languages: English, Chinese.<\/p>\n<p><em>Last updated: 2026-08-01.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A comparison of ASME IX, EN ISO 15614-1\/9606-1, API 1104, AWS D1.1 Clause 4 and NB\/T 47014 WPS\/PQR frameworks covering essential variables, mechanical\/NDE tests, welding positions, typical certification cost, cross-recognition limits and application-based selection guidance.<\/p>\n","protected":false},"author":1,"featured_media":3376,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[159],"tags":[343,618,257,619,617,606,374,621,609,620,373,548],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"ru","enabled_languages":["en","es","de","fr","ru","ar","pt","it","vi"],"languages":{"en":{"title":true,"content":true,"excerpt":true},"es":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"it":{"title":false,"content":false,"excerpt":false},"vi":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/posts\/3375"}],"collection":[{"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/comments?post=3375"}],"version-history":[{"count":1,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/posts\/3375\/revisions"}],"predecessor-version":[{"id":3377,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/posts\/3375\/revisions\/3377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/media\/3376"}],"wp:attachment":[{"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/media?parent=3375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/categories?post=3375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/abkweldmc.com\/ru\/wp-json\/wp\/v2\/tags?post=3375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}