Breadcrumb Home Welding Technology WLDG 1457 WLDG 1457: Intermediate Shielded Metal Arc Welding (SMAW) Download as PDF Class Program Welding Technology Credits 4 Lecture Hours 3 Lab Hours 2 CIP 48.0508 An intermediate course for shielded metal arc welding process. Emphasis is placed on power sources, electrode selection, and various joint designs.