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  1. tailwind

    Material replacement 17-4 SS

    The current pins are manufactured from 4130 hardened to 125K psi and cadmium plated. I am thinking of replacing them with 17-4 stainless steel in the H1150 condition. The machinists tell me they can turn them just fine in this condition. I can purchase the stainless steel in this condition...
  2. tailwind

    tempering info

    what is the HRC and TS of 4130 after quence for tempering to : 1050 deg F 1100 deg F 1150 deg F 1200 deg F Thanks All

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