Patent ID: 7700037
Filing Date: 2010-04-20
Classification: C22C,F16C

Abstract:
1. A powder metallurgically manufactured corrosion resistant steel material which is an alloy of the following composition in % by weight: max 0.12 C 0.5-1.5 N 12-18 Cr max 0.5 Mn max 0.5 Ni 1.5(Mo+W/2) 0.3-1.0 Nb max 1.5(V+Nb/2+Ti) 0.1-0.5 Si from traces and up to max 2.0 Co from traces and up to max 0.1 S balance iron and incidental impurities and wherein the relation between nitrogen and carbon lies in the range of 4:1-75:1.