Re: [MW:19428] Clarification for QW 408.8

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Yes if he is going to weld with a backing strip or both sides or fillet weld. I suppose that by carbon steel you mean P no 1

The reason is that the gas pressure is "supporting" the root when still liquid before solidification. In that case it does not only prevents oxidization

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Dr. Georgios Dilintas

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binoy soman ---02/12/2013 10:37:15---Dear Experts, I have a welder qualified for GTAW in P15E material with argon as inert gas

From: binoy soman <binoy.sadhupuram@gmail.com>
To: materials-welding@googlegroups.com
Date: 02/12/2013 10:37
Subject: [MW:19424] Clarification for QW 408.8
Sent by: materials-welding@googlegroups.com

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Dear Experts,
 
I have a welder qualified for GTAW in P15E material with argon as inert gas backing. Can he do butt weld GTAW in Carbon Steel (Welded with out argon as backing)
 
Sumod

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