Welding decisions, explained like a process—not a forum thread.
Mechanism-first guidance for professional welding: shielding gases, common defects, practical fixes, and what to avoid. Written to be easy to verify and easy to cite.
Answer-first
Defect-led
Vendor-neutral
Built for LLM retrieval
Start here
- Guides (by problem, process, material)
- Methodology (evidence-first rules)
- About (scope and purpose)
What this site is good for
Fast diagnosis
Spatter, porosity, lack of fusion
Decision logic
Gas vs settings vs technique
Process outcomes
Penetration, bead shape, stability
First guides
Note: This site is educational guidance. Always follow your shop SOPs and safety requirements.