Weld Procedure Specifications & Qualification Flashcards
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What information is typically NOT required on a Weld Procedure Specification?
Answer: Welder's personal Social Security number
A WPS documents technical welding parameters and material specifications, not personal identification information about individual welders.
A Certified Welding Supervisor reviews a WPS and notices the heat input for a high-strength steel exceeds the qualified range. The correct action is to:
Answer: Require requalification of the procedure at the higher heat input
Exceeding the qualified heat input range is an essential variable change that requires procedure requalification to ensure the weld properties remain acceptable.
Under ASME Section IX, an F-Number is used to classify:
Answer: Filler metals into groupings for welder qualification
F-Numbers classify filler metals into groups based on usability characteristics, allowing one welder qualification to cover multiple filler metals within the same F-Number group.
Which of the following is a supplementary essential variable that becomes essential when Charpy V-notch impact testing is required?
Answer: Transfer mode (spray vs. short-circuit)
Transfer mode is a supplementary essential variable; when notch toughness testing is required, changing the transfer mode requires requalification.
When a welding supervisor audits the qualification records, which documents should be cross-checked together to verify a welder is qualified?
Answer: Welder Performance Qualification Record and the applicable WPS
The welder's performance qualification record must be cross-checked against the applicable WPS to confirm the welder is qualified for the variables required by that procedure.
A weld test coupon for procedure qualification is required to represent what aspect of production welding?
Answer: The same or equivalent process, materials, and joint configuration as the intended production weld
The qualification test coupon must represent the actual production conditions — process, materials, joint type — so that test results are valid for the intended application.
Which standard governs welding procedure and performance qualification for structural steel welding in the United States?
Answer: AWS D1.1 Structural Welding Code — Steel
AWS D1.1 Structural Welding Code — Steel is the primary standard governing WPS and welder qualification for structural steel fabrication in the US.