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Cobalt-nickel-chromium-molybdenum alloys with reduced level of titanium nitride inclusions

  • US 20050051243A1
  • Filed: 09/05/2003
  • Published: 03/10/2005
  • Est. Priority Date: 09/05/2003
  • Status: Active Grant
First Claim
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21. An alloy comprising, in weight percent based on total alloy weight:

  • at least 20 cobalt;

    33.0 to 37.0 nickel;

    19.0 to 21.0 chromium;

    9.0 to 10.5 molybdenum;

    no greater than 0.025 carbon;

    no greater than 0.15 manganese;

    no greater than 0.15 silicon;

    no greater than 0.015 phosphorus;

    no greater than 1.0 titanium;

    no greater than 0.010 sulfur;

    no greater than 1.0 iron; and

    no greater than 0.015 boron. wherein the alloy is substantially free of titanium nitride and mixed metal carbonitride inclusions.

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