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  • Users: mechiit
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  1. mechiit

    How to choose a proper pipe fitting for process application

    I am trying to build a process loop with He gas as the working fluid. The max working pressure is 35 bar and temperatures at different locations in the process loop vary from 200 C to 900 C. The pipe material is alloy 800HT (UNS N08811). The line size is 1" (Nominal Pipe Size) and sch. 160. I...
  2. mechiit

    Threaded fittings to join a threaded pipe of different material

    Hi, I am planning to Use alloy 800HT pipe (NPS is 1" and Sch. 160) for a high temp process application (35 bar pre and 650 C temp). However, the pipe threaded fittings (union, tee, elbow etc) that I am planning to use for joining different pipe lengths are of SS316L material. Will it be...
  3. mechiit

    Wall Thickness Estimation in Pipes

    My question is, how to estimate the wall thickness of SS pipes with He gas flowing in it at conditions of 950 C and 70 bar pressure. I found that SS310S or 253 MA steels can withstand such high temperatures and pressures. I understand that the design criteria is the creep strength and not the...

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