Patent ID: 6667005
Filing Date: 2003-12-23
Classification: C21D,C22C

Abstract:
A corrosion resistant steel comprising, by weight %, C:0.005-0.200%, Si: up to 1.0%, Mn: up to 2.0%, P: up to 0.05%, Cu: up to 2.0%, Ni: up to 2.0%, Cr: 2.0-9.0%, one or both of Ti and Zr: in such an amount as [Ti %]+0.52[Zr %]: 0.03-1.20%, one or both of S: 0.01-0.50% and Se: 0.01-0.40%, N: up to 0.050% and O: up to 0.030%, the balance being Fe and inevitable impurities, and the steel containing, as the inclusion therein, Ti-based, Zr-based or Tiâ€”Zr-based compound or compounds containing C and one or both of S and Se.