High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing

High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing

  • CN 102,791,900 A
  • Filed: 03/17/2011
  • Published: 11/21/2012
  • Est. Priority Date: 04/01/2010
  • Status: Active Grant
First Claim
Patent Images

1. the carbon steel wire rod with high of the excellent in fatigue characteristics after wire-drawing workability and the wire drawing is characterized in that,For its chemical ingredients is formed, contain respectively℃

  • ;

    0.70~

    1.20 quality %,Si;

    0.1~

    1.5 quality %,Mn;

    0.1~

    1.5 quality %,Below the P;

    0.015 quality % and do not contain 0 quality %,Below the S;

    0.015 quality % and do not contain 0 quality %,Below the Al;

    0.005 quality % and do not contain 0 quality %,B;

    0.0005~

    0.010 quality % andN;

    0.002~

    0.005 quality %,Wherein solid solution N is below the 0.0015 quality % and contains 0 quality %,Surplus is made up of iron and unavoidable impurities,The area occupation ratio of pearlitic structure is more than 90%,At pearlitic structure 2000 μ

    m 2In, diameter of equivalent circle is that the above and BN based compound that be lower than 1000nm of 100nm is below 100 and contains 0, diameter of equivalent circle is the above BN based compound of 1000nm below 10 and contain 0.

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