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  1. NIKT1

    harden 1144 steel shaft

    I want to harden an 1144 shaft spline to 32-38 Rc. The shaft spline is 0.875 diameter and 2.12 inches long at the end of a 16.00in. ling shaft. Using available charts, I specified induction harden at 1500 deg F with oil quench and draw (temper) at 900 deg F for 1 hour. Does this sound OK? I...

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