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  • Users: nasarali
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  1. nasarali

    Multiple or duplex heat treatment

    I heard some times with some kinds of steels, the double normalizing or hardening were used, so my question is: What is the main function of multiple or duplex heat treatment, and when is more useful
  2. nasarali

    Heat treatment of heavy forging products made of steel

    I am trying to do experiments to simulate heat treatment for heavy forging 4340 steel, but the problem is I couldn't get a martensite due to very low cooling rate. my question: 1- Is there any thing can I do to help me to get martensite, Knowing that I do normalizing at 860C, quenching at 860C...

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