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press breaked shell

press breaked shell

press breaked shell

I'm working on a high pressure vessel with a 20"od and 2"thick walls.  I'm having trouble finding a suitable shell and I am looking into using a press breaked shell.  Is this acceptable as for as asme is concernered.  How would i do shell calcs if it is, div 1 style.  
From what i gather it is a number of small angular bends intead of a smooth radius.  
Please correct me if i am wrong on this assumption.

RE: press breaked shell

You need to post this question in forum794 and red flag this one.

Instead of going to that trouble I would try to locate a 20" sch 160 pipe. The wall thickness is 1.968"

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