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Recent content by donnajoe

  1. donnajoe

    What temperature does stress corrosion cracking happen for stainless?

    At what normal operating temperature would stress corrosion cracking become a concern for typ 304L and 316L stainless steel? What is the standard protection required to prevent stresss corrosion cracking of vessel heads at this temperature?
  2. donnajoe

    Packing for 1300 ¦F Valve

    You need to check with ADAMS valve, Houston Texas (713)973-2490. They have done extensive type research and testing on valves and valve packing at high temperature. They offer a triple offset butterfly valve that is used extensively in the power industry and Petrochemical. Use their...
  3. donnajoe

    ASME EXTERNAL PRESSURE CALCS

    How should an engineer approach ASME Boiler Pressure Code external pressure calculations that go outside the range of the charts in Fig 5-UHA-28.1? The condition that exceeds this chart for 304H material is 1300F.

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