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  • Users: jonesy412
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  1. jonesy412

    Pipe question on roundness

    Does any one know if there is a mill tolerance for the roundness of pipe, with the material being sa106 or sa53B and 30" OD x 30'-0" long with a .375" wall thickness? Something this big we would normally roll, but with a spec of .010 roundness I though of pipe but can't find what the mill...
  2. jonesy412

    API 620 Manway Cover

    Hi everyone, I have a tank that has to be constructed to API 620 and don't have the API books because 99% of our work in ASME sectI & sect VIII. My question is how do you calculate the thickness an O.D. on a 22"(pipe size) manway cover that is 304 stainless steel and the tank is 17'-0 high...

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