Quote:
Originally Posted by Grahame Collins
Flux can get damp through humidity /wet weather and also can give rise to porosity. Also re using flux that has not been cleaned will do it as well.

If you can locate a copy of the Lincoln Welding Procedure Handbook from Lincoln Electric,the book is pure gold in references to assist in settting sub arc and curing problems.
They are available only through Lincoln Electric as far as I know.

Grahame


Thank you indeed Grahame, What do you think about, can copper particles remaining in the bevel cause weld crack?


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