Patent ID: 6793744
Filing Date: 2004-09-21
Classification: C22C

Abstract:
A martensitic stainless steel with high strength and high corrosion resistance comprising less than 0.035 wt. % C, less than 2.5 wt. % Si, less than 2.5 wt. % Mn, 2.0-6.0 wt. % Ni, 13.0-19.0 wt. % Cr, 0.5-6.0 wt. % W, less than 3.5 wt. % Mo, less than 0.5 wt. % Nb, less than 0.5 wt. % V, less than 3.0 wt. % Cu, 0.11-0.25 wt. % N, and the remainder being Fe and minor impurities, wherein the content of Cr23C6 is minimized.