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Could someone help me please: I need to perform one huge modification in a CS (SA 515 Gr.70) vessel, built under the old ASME SEC VIII Div I Ed. 1978. My question is: Is it necessary to recheck this vessel under both old and current edition or it is necessary only to perform the calculation...

Does anyone have some URL supplier's address with the DIN FLANGE DIMENSIONS, like DIN 2576 and more? Thanks in advance.

Does anyone to know how the best approach to calculate the full faced flange thickness, due this is outside of ASME scope. I need to calculate a wide range of ND carbon steel flanges like 28",36",48",56" and 60", under full vacuum design pressure. Thanks in advance Orama

Does any one know where to find the best approach to calculate the stress and deflection on a big square nozzle placed on a bin conical roof. I don't have FEM software. Thanks