Patent ID: 9638075
Date: 2017-05-02
CPC Classifications: C22C,F01L,Y10T

Claim:
1. A nickel-based alloy comprising, in weight percent: carbon from about 0.7 to about 2%; manganese up to about 1.5%; silicon up to about 1.5%; chromium from about 25 to about 36%; molybdenum from at least 6.5 to about 12%; tungsten from about 12 to about 20%; cobalt up to about 1.5%; iron from about 3.5 to about 10%; nickel from about 20 to about 55%; and incidental impurities, the alloy having an as-cast bulk hardness of over 52 HRc and a microstructure comprising eutectic reaction phases having a lamellar morphology and at least about 95 volume percent of the eutectic reaction phases and the microstructure is free of primary carbide phases.