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  1. djoser

    17-4 cr es

    sorry 68 was a mistype... d'oh! Thanks for the info, really helpfull. Kind regards
  2. djoser

    17-4 cr es

    thanks for your rapid response, I now have to find out if the material could be gear cut as the hardnes appears to be 68 Rockwell C. Any ideas ?
  3. djoser

    17-4 cr es

    Hi, We've been asked to produce a gear blank in this materiel (17-4 CR ES) I understand it's american 416 range but can find no documentation on it. Is this material available and machinable ? thanks for any info
  4. djoser

    Gear Cutting Material Info

    Hi, we've been asked to produce a gear blank approx 8mm OD from a material in the 416 range 17-4 cr es, I understand that it's 36 on the rockwell C scale. While it's feasible to produce the blank is the hardness prohibitive for the gear cutting? Alternativly as the blank is fairly presice, i.e...

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