Patent ID: 8647448

Claim:
A steel component selected from either a piston ring or a cylinder liner and fabricated of a steel composition consisting of: B: 0-0.5 weight % C: 0.95-1.2 weight % Cr: 11.0-14.5 weight % Cu: 0-2.0 weight % Mn: 0.1-3.0 weight % Mo: 0.1-3.0 weight % Nb: 0-0.002 weight % Ni: 1.5-3.0 weight % P: 0-0.1 weight % Pb: 0-0.05 weight % S: 0-0.05 weight % Si: 4.0-10.0 weight % Sn: 0-0.05 weight % Ti: 0-0.2 weight % V: 0.05-2.0 weight % W: 0-0.5 weight % and the remainder being Fe.