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  1. APRRK

    Fatigue life of 17-4PH H1150 bar

    Thank you Wil! Pointing me in the right direction is a huge help. Best regards, Artur
  2. APRRK

    Fatigue life of 17-4PH H1150 bar

    Taylor; Excellent news! One hiccup, I have a PDF of ASMH 1972 from Air Force Material Laboratory / AD737970, obviously this is not the one you are referring to. Could you help me out with the publisher or with the figure, if that is not proprietary or copy righted information. The load in my...
  3. APRRK

    Fatigue life of 17-4PH H1150 bar

    Worldtraveller; Thank you for your recommendations. It is good to know someone with the capability to do the necessary tests; unfortunately this project is time sensitive and resource driven. Long story short as you suggested, we are considering 15-5PH H1025 for the future, higher Ftu/Fty with...
  4. APRRK

    Fatigue life of 17-4PH H1150 bar

    Have to calculate a 17-4PH H1150 (bar) Kt = 3 / 4 lug fatigue life; unfortunately MMPDS-06 has the S/N curve for the H900, H1025 & H1100 but not for the H1150. If anyone could point me to a H1150 S/N curve source or confirm, if a newer edition of MMDPS has the H1150 S/N curve that would be...

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