Breadcrumb Home WLDG Welding WLDG-1457 WLDG-1457: Intermediate Shielded Metal Arc Welding (SMAW) Download Catalog PDF Download Page PDF Program WLDG Welding Lecture Hours 3 Lab Hours 3 Credit Hours 4 Course Type N A study of the production of various fillets and groove welds. Preparation of specimens for testing in various positions. Prerequisites WLDG-1428.