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Susui
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Join Date: Jun 2008
Posts: 29

Rolling After Welding

03/28/2012 8:37 AM

Looking for difficulties experienced in rolling 150mm thick CS plates after welding to form a cylidrical shell.

What hurdles are expected and what are precautions to be taken ?
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Mukesh0861
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Join Date: Dec 2010
Posts: 377
Good Answers: 20
#1

Re: Rolling After Welding

03/29/2012 12:16 PM

You may have to look through the fabrication code for it.

Rest other things you may take care, but please plan for proper heat treatment of the weld joint and HAZ of the shell after rolling. Lot of stresses comes and the grain boundaries get streched after rolling such a thick joint, which shall be relieved properly.
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Whitephone
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Join Date: Jan 2010
Location: Mineral wells Tx
Posts: 630
Good Answers: 34
#2

Re: Rolling After Welding

04/02/2012 6:28 AM

t=150mm, think about PWHT before rolled and 100% RT after.
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