Originally Posted by FATHI
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ASME SECTION VIII has three divisions* 1* 2* & 3 you have to specify where your requirement are applicable. it's not easy to say and reccommend any formulas without determining the application* it might be in ASME SEC VIII Div. 2 or Div. 1 check first.. the formulas you've mentioned here is absolutely wrong and incorrect. that is not the first step* you have to determine first the allowable stress of material to be used
at design temperature and ambient temperature as per ASME SEC. II-D table 5A.. then use the formula mentioned in ASME SEC VIII depending in which division you are using.. whether DIV. 1 or 2.. take note thickness calculation formula for shell in this two division are different.. so be careful.