Systematically assess your pressure equipment welding programme against API RP 582 — covering WPS/PQR qualification, material-specific preheat and interpass temperature, post-weld heat treatment, hardness controls, sour service NACE MR0103 compliance, dissimilar metal welding, CRA and weld overlay, NDE of pressure equipment welds, production welding controls, and records management.
Executive summary and section-by-section compliance overview for API RP 582 Welding Guidelines for Pressure Equipment.
Expert pressure equipment welding consulting — API RP 582 gap analysis, WPS/PQR review, PWHT programme assessment, sour service NACE MR0103 welding compliance, hardness control programme development, and NDE procedure review for refineries and process plants.
Headquartered in London, serving clients globally.
ISO Xpert is a leading API and ISO management system consultancy and training provider headquartered in London, UK. We support refinery and process plant operators, EPC contractors, and fabricators in developing compliant API RP 582 welding programmes — from initial gap analysis and WPS/PQR review through PWHT procedure qualification, hardness testing programme development, sour service compliance assessment (NACE MR0103 and MR0175), and NDE procedure review for pressure equipment welds.
Our welding consultants have broad experience in refinery and petrochemical plant welding across the full range of P-number material groups — from P1 carbon steel with sour service requirements through P4/P5 Cr-Mo low-alloy steels requiring mandatory PWHT, P8 austenitic stainless steels, and CRA overlay applications. We bring practical understanding of the relationship between API RP 582 requirements, ASME Section IX, ASME B31.3, ASME VIII, and the NACE sour service standards.
Latest API RP 582, pressure equipment welding, PWHT, sour service, and NDE updates.
Expert API RP 582 and pressure equipment welding quality training on Udemy — self-paced for welding engineers, inspectors, and QA/QC teams in the process industry.
View Courses →Our specialist team helps refineries and process plants develop and maintain compliant API RP 582 welding programmes — WPS/PQR review, PWHT qualification, sour service compliance, and NDE programme assessment. Contact us for a free consultation.
Last Updated: April 2025 | ISO Xpert Ltd
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ISO Xpert Ltd | 71-75 Shelton Street, London WC2H 9JQ | info@iso-xpert.com | +44 7853 109840
Last Updated: April 2025 | ISO Xpert Ltd
For legitimate internal pressure equipment welding programme compliance assessment. Results are indicative only. API RP 582 is the property of the American Petroleum Institute (API). ISO Xpert Ltd is not affiliated with API. Governed by the laws of England and Wales.
ISO Xpert Ltd | 71-75 Shelton Street, London WC2H 9JQ | info@iso-xpert.com
Authoritative answers about API RP 582 Welding Guidelines for Pressure Equipment, inspection intervals, qualifications, RBI, and ISO Xpert consulting.
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