Patent ID: 6616779
Filing Date: 2003-09-09
Classification: C21D,C22C

Abstract:
A cold worked workpiece from a chromium alloy consisting of, in weight %:32-37% by weightchromium,28-36% by weightnickel,max. 2% by weightmanganese,max. 0.5% by weightsilicon,max. 0.1% by weightaluminum,max. 0.03% by weightcarbon,max. 0.025% by weightphosphorus,max. 0.01% by weightsulfur,max. 2% by weightmolybdenum,max. 1% by weightcopper,0.3-0.7% by weightnitrogen,remainder iron and impurities, wherein the cold worked workpiece has a yield strength of at least 1000 MPa (RP0.2&gE;1000 MPa).