Asme Section Ix Code Book [exclusive] -

that establishes the requirements for qualifying welding, brazing, and plastic fusing procedures and the personnel who perform them

A record demonstrating that a specific welder can produce a sound weld. It remains valid as long as the welder continues to weld using that process without a prolonged break (usually 6 months). 2. Organization of the Book asme section ix code book

| Variable | Example | |----------|---------| | Root gap (within range) | 1/8" to 3/16" | | Welding position (flat to horizontal) | Allowed | | Technique (weave vs stringer) | Allowed | | Preheat maintenance (min/max) | Within qualified | asme section ix code book

Prove a specific welder can deposit sound weld metal using a qualified WPS. asme section ix code book