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Recent content by htfi13856

  1. htfi13856

    AISI 4140 Alloy

    Thankyou for responding so quickly, I appreciate your input. I do believe they were actually cut on a lathe,We had them shortened at an outside facility. After screw was cut down, we stripped the finish and replated per qq-p-416,tyII,cl3, everything passed, dimensionally and finish its just the...
  2. htfi13856

    AISI 4140 Alloy

    I had a NAS1219-3-8 reworked, material called for Alloy steel, UNS G41400, By rework, i had them grinded down to a smaller length , Now I was told they failed inspection that my Rockwell was: C31-40. Is this possible? Please help, any information or direction would be greatly appreciated.
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