Weld Purging: Replace Paper, Foam and other unsuitable Materials with Argweld® Weld Purge Dams Weld Purging is essential when welding tubes and pipes made of reactive metals such as stainless steels, titanium and zirconium. Usually weld zones are confined with purge dams so that the use of argon purge gas is limited and waiting times are reduced. Homemade dams fabricated from paper, sponge ...
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