MIG/GMAW guides, settings, wire selection, and troubleshooting.
Showing 9 of 176 articles
Master MIG welding vertical up: settings, gun angle, weave patterns, troubleshooting, and code requirements for strong, clean vertical welds.
Learn 110V MIG welding settings, wire and gas choices, thickness limits, safety, and troubleshooting so you can lay clean, strong welds in a home…
Learn why MIG welding defects happen and how to fix them — porosity, undercut, spatter, lack of fusion and cracks — with causes, cures…
Pinholes ruining your MIG welds? Learn what causes porosity, how to read the pattern, fix gas flow and prep, and stop it for good.
Learn MIG welding 4130 chromoly safely: filler wire choice, preheat and interpass temps, gas setup, technique, mistakes, and post-weld heat treatment.
Master vertical MIG welding: uphill vs downhill settings, gun angles, weave patterns, joint tips, defect fixes and safety for every position.
Learn how to read and control the MIG welding puddle: gun angle, travel speed, voltage, wire feed speed, plus fixes for burn-through, porosity, and…
MIG welding temperature explained: real arc heat, melting points, heat input math, preheat and interpass limits, plus settings that keep welds sound.
Learn the causes and fixes for common MIG welding faults — porosity, undercut, lack of fusion, burn-through and spatter — plus how to prevent…