Guides
Answer-first pages for common welding decisions. Each guide focuses on one observable problem and shows what to change first.
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Porosity & Gas Issues
- MIG porosity in carbon steel
- MIG porosity in aluminum
- TIG porosity in stainless steel
- Contamination-caused porosity
- Moisture-related porosity
- Base metal preparation & porosity
- Excessive gas flow causing porosity
- Porosity after gas change
- Gas contamination affecting the arc
- Draft & wind effects on shielding
- Insufficient trailing gas coverage
- Regulator & pressure problems
Spatter Problems
Fusion & Penetration
Cracking
Undercut
Discoloration & Oxidation
Specialized Sections
- Gas Science — Chemistry & physics of shielding gases (17 articles)
- Process & Technique — Fundamentals, transfer modes, positional welding (21 articles)
- Product Reviews — Linde shielding gas reviews with evidence (19 products)