Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel

Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel

  • CN 101,903,539 A
  • Filed: 12/12/2008
  • Published: 12/01/2010
  • Est. Priority Date: 12/20/2007
  • Status: Active Application
First Claim
Patent Images

1. bearing heat treating method comprises:

  • Quenching comprises the bearing shape steel part of 0.5-1.20 weight % carbon and 1.0-2.0 weight % silicon;

    AndMake steel part at M through quenching s-100 ℃

    to M sTemperature range in distributed M wherein at least 10 minutes sThe temperature that expression martensite begins to form.

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