Breadcrumb Home Welding WDT 124 WDT 124: Gas Metal Arc/Flux Cored Arc Welding Lab Download as PDF Program Welding Lecture/Theory Hours 0 Lab/Experimental Hours 3 Semester Hours 3 Course Code C This course provides instruction and demonstration using the various transfer methods and techniques for gas metal arc and flux-cored arc welds. Topics included are safety, equipment set-up, joint design and preparation, and gases.