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  1. papiesz

    high pressure piping and Bourdon effect

    Hi all I have to analyse feedwater pumps piping according to B31.1. Design pressure of discharge pipe is 23.4 MPa. Calcs during FEED was made by another company using Caesar II. They calculated standard operating cases W+P1+T1 but Bourdon option was set to "none" which results in no...
  2. papiesz

    B31.1 sustained stress in Autopipe.

    Dear all Anyone knows why Autopipe when calculating sustained stress according to B31.1 uses corroded wall thickness by default. This is of course more conservative but ASME B31.1 para 104.8.1 states that nominal thickness should be taken into calculation. Also Caesar II takes nominal thickness...

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