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PostPosted: Thu May 06, 2010 12:09 pm 
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Joined: Thu May 06, 2010 11:34 am
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Does strength welding PQR qualifies seal welding PQR of tube to tubesheet weld joint?


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PostPosted: Sun May 09, 2010 10:05 pm 
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Location: Essen, Germany
Maybe, if the variables are qualified, for example base metal thickness "T".

Dk


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PostPosted: Thu Jun 03, 2010 4:31 pm 
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Refer QW 288


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