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by dtamburrino
Fri Jan 22, 2010 12:50 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: ER70S-2 mild steel TIG welding rod question
Replies: 10
Views: 4546

Re: ER70S-2 mild steel TIG welding rod question

Thanks Brian, that answered my question.
by dtamburrino
Thu Jan 21, 2010 11:48 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: ER70S-2 mild steel TIG welding rod question
Replies: 10
Views: 4546

ER70S-2 mild steel TIG welding rod question

I purchased some ER70S-2 mild steel TIG welding rod and it has a copper coating on it. I have been told the copper coating will contaminate the weld. Does anyone know if all ER70S-2 has a copper coating on it?

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