Welding Blog
Guides, articles and comparisons written for practical welding decisions.
Filtered by #welding-defects
Understanding the Heat-Affected Zone (HAZ) in Welding
Learn what the heat affected zone in welding is, how its microstructure forms, what can go wrong in steel, stainless and aluminium, and how to control it.
Stick Welding Troubleshooting: Common Defects Explained
A practical troubleshooting guide to common stick welding defects — what causes porosity, undercut, cracking, and more, and how to fix each one.
Common MIG Welding Defects and How to Fix Them
A practical guide to diagnosing common MIG welding defects, from porosity and undercut to cracking and warping, with clear root causes and fixes.
MIG Welding Wire Speed and Voltage Chart Guide
A practical MIG welding wire speed and voltage chart for steel, aluminum, and flux-core wire, with tuning tips and a troubleshooting guide.
Welding Metallurgy Basics
Learn welding metallurgy basics: heat input, the heat-affected zone, phase changes, hydrogen cracking, preheat, and how to control weld quality.