[ASME制造问题] SA516-Gr.70的材料,36mm,封头时热冲压成型,终压温度920摄氏度,成型后,这个封.... |
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最佳答案Hot forming heads, PFHT necessary?
thread292-447220
ElCidCampeador (Mechanical)(OP)11 Dec 18 07:53
Hi,
I have an ellipsoidal head (Mat. SA 516 GR.70, D.I.1000 Thk.60mm) that has to be welded to a pressure vessel designed acc.to ASME VIII Div.1.
The vessel is impact tested acc. to UCS 66.
The supplier of head will hot press @ 920°C the head without PFHT of normalization.
Acc. to ASME I need to d ...
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