Search found 101 matches
- by dave powelson
- Sun Dec 07, 2014 2:21 am
- Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
- Topic: blowing out when welding tube
- Replies: 16
- Views: 4338
Why swab tube ID clean before welding?
X2 on comments to let tube cool down some before closing the joint. Additionally, if the tube ID isn't wet and dry swabbed clean, then blown out before any welding--that adds to the out gassing pressure and puddle blow-outs and porosity and crappy appearance and that fiddingly around making things s...
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