Breadcrumb Home WEL - Welding WEL 2001 WEL 2001: Gas Metal Arc Welding I Download as PDF Program WEL - Welding Credits 4.00 Covers safety inspections, minor repairs, operating parameters, operation of GMAW equipment on plain carbon steel utilizing short circuit and spray transfer, and fundamental metallurgy principles. Prerequisites None Lab Hours 67.50 Lecture Hours 15.00