National Welding Resources
National Welding provides unique resources derived from our experience and expertise in the welding industry.
National Welding has presented research studies to varies organizations on the safety, efficacy and impact of high production field welding services.
OSHA Part 1926, Subpart S; the industry recognized control document for confined space activity of underground tunnels, shafts, chambers and passageways.
Weld After Backfill
Weld-After-Backfill (WAB) is a pipe welding process in which a steel pipeline is installed and backfilled prior to the welding operation