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by Jheatac
Sun Feb 16, 2020 3:19 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: Extreme porosity in second pass
Replies: 9
Views: 2369

Extreme porosity in second pass

Hello. Hoping someone can help a beginner out. I'm having extreme porosity on my second pass. The first pass goes down well for a beginner. When I try to go over it a second time it looks like a recreation of the moon. I'm using a Lincoln SW200 @ 200a, straight argon 15cfh, 3/32 2% Lanthenated tungs...