Welding Variables for Welder Qualification - Part 1: Philosophy: Rules and variables for welder qualification in various codes are discussed

摘要

Similar to welding procedures, qualification also applies to welders. Although the basis for welder qualification is pretty much the same in all qualification codes, the variables and qualification ranges vary, sometimes significantly. This two-part article discusses the underlying philosophy for welder qualification and provides an overview of the approaches and essential variables used by various qualification codes.