Breadcrumb Home WLDG Welding WLDG-1435 WLDG-1435: Introduction to Pipe Welding Download Catalog PDF Download Page PDF Program WLDG Welding Lecture Hours 3 Lab Hours 3 Credit Hours 4 Course Type N An introduction to welding of pipe using the shielded metal arc welding process (SMAW), including electrode selection, equipment setup, and safe shop practices. Emphasis on weld positions 1G and 2G using various electrodes. Prerequisites WLDG-1457.