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Recent content by irx

  1. irx

    Identify ASTM SA 387 GR D 1969

    Gentlemen Thank you to both Kenvlach and Doct9960 you gave me exactly what I was looking for Thanks again IRX
  2. irx

    Identify ASTM SA 387 GR D 1969

    Hi Everbody A client mentioned this material ASTM SA 387 GR D - the fabrication was done in 1969. Does anybody know what is the modern equivalent of this material? Is it similar to P11 or P22? I can not find any reference in ASME II. Thanks IRX
  3. irx

    Reduced Load Spectrum of helicopters??

    Darkaerie Sorry for aking but do you want to reduce the design spectrum to make your analysis easier or do you want to test to a reduced or full load spectrum? Are your consern the dynamic systems (rotor, drive system) or the structural loads? Your design full load spectrum should be a baseline...
  4. irx

    Charpy vs temperature data

    Maui; Thank you for the reference, I also found a correlation in API 579 between Kic and Charpy - however I shall act with caution as proposed by Metengr. I do not understand why data on both these parameters are not more widely published. IRX
  5. irx

    Charpy vs temperature data

    Thanks for the info, I am trying to get a conservative value for the different materials (pressure equipment) and I want to convert Charpy to Kic to be able to calculate critical crack sizes for different cracks detected during maintenece inspections. Thanks again for the link.
  6. irx

    Charpy vs temperature data

    Does anybody have a curve or data of Charpy impact values vs temperature (-50C TO 150C) for typical pressure vessel low alloy steels such as SA53, SA106B, SA216, SA516,SA105? Thanks for your help
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