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hi. dear
I have a question.we have a few column for melt shop plan -steel structure project,that thickness of base plate of this column is 100 mm with st37-2 material type.I want to know we must be done PWHT for this column WITH CJP GROOVE in all joint? please advise me.thanks alot.

RE: pwht

What is the weld thickness? Which weld process are you using?

RE: pwht

Thank you for your cooperation.
GMAW IS OUR WELDING PROCESS.Thickness of base plate 80mm and stiffener that conneted to them is also 80 mm. we use CJP (complete joint preparation) connection for stiffener to column base plate.AWSd1.1 is dwg standard for manufacturing.


RE: pwht

CJP is complete joint penetration (the weld is welded solid all the way through) not complete joint preparation - the weld joint is prepped all the way through.

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