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  1. commandotom

    Minimum Thickness for P.V. Heads

    Thanks James I think you got it. I was using the E=0.85 specified for the shell. It is a seamless head so the E=1...correct???
  2. commandotom

    Minimum Thickness for P.V. Heads

    Hello. I was hoping someone might be able to help me out. I've completed doing an API510 inspection for a customer. From the U-1; The vessel (1966) fabricated from SA264 (1/16th 316L on SA212-B backing) MAWP=100psi @ 600F, Dia.=96", Crown Radius=84", Knuckle Radius=6.5" Bottom Head 0.496", Top...
  3. commandotom

    SA-264 Maximum Allowable Working Stress

    UCL-11; states that "clad material used in contstruction which the design calculations includes cladding shall conform to one of the following specifications"...SA-264 is referenced in,"UCL-11(a)" the UCL-23; Maximum Allowable Strss Values, UCL-23(c); "Base Material with Corrosion Resistant...
  4. commandotom

    SA-264 Maximum Allowable Working Stress

    Seems like I've been chasing my tail through the code or may be it's just that I can't quite see the forest for the trees. I'd like to be able to determine the Maxmum Allowable Stress for the following. SA-264; 20% SA-240 316 on SA 285 backing, Specified Tensile strength; 55K. Nominal...

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