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Up Topic Welding Industry / Metallurgy / PWHT
- - By mohamed radwan (*) Date 03-16-2010 16:26
why we are doing PWHT? and if a toxic fluid is moving inside the pipe will the pipe need PWHT
THANK YOU GUYS
Parent - By G.S.Crisi (****) Date 03-16-2010 17:17
Toxic is different than lethal. Lethal fluids kill a person even if they're in traces. Toxic fluids kill a person when they're in larger quantities.
Take a look at B31.3 and see what it says.
Giovanni S. Crisi
Sao Paulo - Brazil
- By fatehy88 (*) Date 03-16-2010 18:41
we make PWHT to remove residual stresses .
Up Topic Welding Industry / Metallurgy / PWHT

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