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PWHT And Welding

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IPE435

IPE435

Petroleum
Joined
Apr 16, 2009
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8
Location
AU
Is it at all possible for the electrical current induced during welding to affect the PWHT recorder / Chart if you weld one butt while doing PWHT on another butt on the same line. Say about 6 feet away?
My PWHT contractor has stated that this may be a problem. I myself have never heard of this being an issue.
 
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In the years I have been directly and indirectly involved with welding, that is a new one.
 
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