If you've been getting your welders tested by a lab, a postsecondary institution, or an individual CWI, that doesn't mean it wasn't valuable to your student. Just be aware that it may not meet the
Context I recently read a post in which the poster indicated the welders “told him” they were “certified” and they did not have documentation to support that claim. The context was B31.3 work I think.
WPS Qualification and Welder Qualification, codes have different rules for each! The context of most of these below will stretch across multiple codes but you can think of them in the context of ASME IX,