MIG vs TIG vs submerged arc welding: choosing the right process for structural steelwork
Every fabrication shop eventually faces the same question on the shop floor: which welding process should carry the load on this job? The three contenders for structural steelwork — MIG (GMAW), TIG (GTAW) and submerged arc welding (SAW) — are not interchangeable tools in a toolbox. They represent three different trade-offs between speed, quality and cost, and choosing the wrong …