Which standard covers welding and brazing qualifications?

• A. ASME Section I
• B. ANSI B16.5
• C. ANSI B36.10
• D. ASME Section IX

Answer: (D)

Welding and brazing qualifications are governed by ASME Section IX. This part of the ASME Boiler and Pressure Vessel Code specifies how welders and brazers must be qualified and how welding procedures must be qualified, including the tests, records, and acceptance criteria. It covers both procedure qualification and welder performance qualification, ensuring joints produced for pressure vessels and piping meet required quality regardless of materials or processes used. The other standards don’t address qualification requirements: Section I focuses on design and construction of boilers and boiler external piping, ANSI B16.5 covers flanges and flanged fittings, and ANSI B36.10 covers steel pipe dimensions.