Most Common Causes
- Tungsten touched filler metal or puddle
- Insufficient shielding gas or poor cup/gas lens setup
- Wrong tungsten prep, diameter, or amperage range
- Contaminated material, filler, or work area
Symptom-first troubleshooting
Tungsten Contamination Troubleshooting
Troubleshoot contaminated tungsten, arc wandering, dipping, gas coverage, tungsten prep, and TIG cup setup.
Beginner Explanation
What this means in plain English
Tungsten contamination means the electrode picked up weld metal or dirt. The arc can wander, spit, or become hard to control until the tungsten is cleaned or re-ground.
Compatible Processes to Check
TIG
Commonly Failed Consumables
Related Symptoms
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Machine and Equipment Pages to Check
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Long-Tail Search Phrases Covered
TIG tungsten contamination causeswhy does my tungsten ball uparc wandering contaminated tungstenTIG cup gas lens checks