This Section contains rules relating to the qualification of welding and brazing procedures as required by other Code Sections for component manufacture.

It also covers rules relating to the qualification and requalification of welders, brazers, and welding and brazing operators in order that they may perform welding or brazing as required by other Code Sections in the manufacture of components.

Welding and brazing data cover essential and nonessential variables specific to the welding or brazing process used.