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Old 15th June 2011, 01:31 AM
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CTWV50 CTWV50 is offline
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Join Date: Aug 2010
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Thanks for the reply Michael, I did grind back the steel and bevel filed the ends of the tubes so shouldn't be contaminated. I'm using BOC Argoshield at 10 L/min. Might try heating the steel first see if it helps to remove any contaminates. I'll finish the weld and then a big bubble will grow where I finished. I'm not a great welder as I'm inexperienced, should I try more of less gas? I'll also try a test on some other steel I've had more luck with.
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