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welder approval

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anasbabu

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Joined
Mar 18, 2013
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Please help me. I have one welder maximum allowed thickness 10mm and another welder have maximum allowed 11mm. CAN I ALLOW these welders do 21mm thickness total weld. First welder up to 10mm remaining other welder.please refer a code with para
 
Yes, provided the welders are qualified and you have a qualified WPS. Review QW-250, and QW-306.
 
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