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how to estimate the results of high pressure pipe

Question asked by Leo Zhou on Feb 21, 2013
Latest reply on Feb 26, 2013 by Leo Zhou

The stress distribution of thick wall pipe is non uniform. When i add a pressure of 150Mpa in it, the maximum stress is 300Mpa in inner suface, it's exceed the yield strength of material, but only about 16Mpa outside.Can somebody tell me how to estimate the result? Is this safty ?

Thanks a lot!