Porosity, cracks, undercut, distortion, and fixes.
Showing 9 of 28 articles
Learn what back step welding is, how it reduces distortion, step-by-step setup for SMAW, MIG, TIG & FCAW, plus common mistakes and expert tips.
Failed a welding test? Learn why welders fail bend and visual tests, the AWS D1.1 and ASME IX retest rules, and how to fix…
Learn causes, fixes, and prevention for porosity, cracks, undercut, lack of fusion, spatter, and more with OSHA/AWS-aligned guidance.
Undercut in welding comes from heat, speed and technique. Learn the root causes, code limits, inspection methods and how to fix it.
Plasma spray welding explained: how the process works, torch and nozzle setup, key parameters, spray coating vs PAW, troubleshooting and safety.
Repair iron tip welding problems for good: diagnose oxidation, re-tin a soldering tip, service MIG contact tips, and know when a tip must be…
Learn what arc marks (arc strikes) are, why standards ban them, what causes them, and how to prevent, inspect, and repair stray-arc damage.
Undercut in welding explained: what it is, why it happens, code limits under AWS D1.1 and ISO 5817, how to measure, prevent and repair…
Learn why SMAW welding current is called constant current, how CC power sources behave, and why arc length control matters for quality stick welds.