It’s easy to overlook the vital role MIG welding gas plays in creating a good weld.
When starting out with MIG, or gas metal arc welding (GMAW), I thought it was cool how the current, filler wire, and the shielding gas all feed through one cable. Pull the trigger and make welds.
And as long as everything works as it should, you have an excellent shot at making a clean, reliable weld with MIG.
I never gave a second thought to the welding gas. Until the first time I forgot to open the gas valve and discovered how ugly an unshielded weld could be.Continue reading
Get up to speed on the main types of welding joints, the common types of welds, their parts, and usage.
For welders first getting a handle on weld joint design—how pieces of metal are put together or aligned with each other for welding—it’s important to distinguish between the joint and the weld.Continue reading