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  • Users: Millar
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  1. Millar

    Molybdenum/iron content in zirconium

    I have an old heat exchanger with supposedly zirconium tubes (grade 702). When I attempted to PMI the material, the results do not match the current ASME/ASTM spec for grade 702 zirconium. Specifically, the analyzer is reporting around 1 to 1.5% Moly and an iron content exceeding 0.5%. The...
  2. Millar

    Minimum thickness of boiler plate PG-16

    I was wondering if there is an interpretation regarding the application of corrosion allowance to the minimum thickness requirement of PG-16 of ASME I. This paragraph requires plates be 1/4" thick minimum and I am wondering if this is before or after any corrosion allowance is applied...
  3. Millar

    Looking for 1968 codes

    Does anyone have a contact where old codes can be purchased? I have searched the ASME web site but have not had any luck yet. Thanks,

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