What is the primary focus of Section IX of the ASME BPVC?

• A. Welder qualification and welding procedure specifications
• B. Welding electrodes and filler metals
• C. Base metal specifications
• D. Non-destructive testing standards

Answer: (A)

Section IX focuses on qualifying welding procedures and welders. It requires that a welding procedure be demonstrated and documented through a Procedure Qualification Test, with results recorded in a Procedure Qualification Record, to show the procedure can produce a sound joint. It also mandates Welder Performance Qualification tests to prove a welder can consistently weld to that procedure under specified conditions. This qualification framework ensures that the welding process and the welder meet the code’s requirements for safety and performance across different materials and thicknesses. Other topics, like base metals and fillers, are addressed in other sections (materials and consumables), while non-destructive testing standards are covered elsewhere as well.