Patent ID: 8075839

Claim:
A wroughtable, cobalt alloy capable of through thickness nitridation and strengthening consisting essentially of in weight percent: about 23 to about 30% chromium about 15 to about 25% iron up to about 27.3% nickel about 0.75 to about 1.7% titanium about 0.85 to about 1.9% niobium, zirconium or a combination thereof up to 0.2% carbon up to 0.015% boron up to 0.015% rare earth elements up to 0.5% aluminum up to 1% manganese up to 1% silicon up to 1% tungsten up to 1% molybdenum, and balance cobalt plus impurities wherein titanium +niobium is from about 1.6 to about 3.6%.