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From: filer#1
Categories:
Date: 08 Dec 2001
Time: 10:26:25
Remote Name: 209.142.170.163
There is a chalk that looks similar to lumber crayons that is applied to the welded area just after it is welded that is green at first then turns white when the propr temp is reached to let you know exactly when to stop,can't remember the brand name but any welding supplier should know.hope that helps..KC