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bobsanthebuilder2
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Join Date: Jan 2011
Posts: 1

Delayed PWHT After Welding P91 Piping Materials

01/10/2011 6:21 AM

does anyone have an internationally recognised paper on the detrimental effects or otherwise effect of delayed pwht after welding p91 piping materials
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Anonymous Poster
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Re: Delayed PWHT After Welding P91 Piping Materials

01/17/2011 8:37 AM

Bob the builder,

Usually, the entire joint must be ground out and rewelded.

I hope that you don't have many of these errors.
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