| 摘要 |
<p>A high-strength high-Cr steel with excellent high-temperature strength and toughness as well as improved resistance to oxidation and high-temperature corrosion is disclosed, which consists essentially of, in weight %: C : 0.04 - 0.2%, Si: not greater than 0.7%, Mn: 0.1 - 1.5%, Ni: not greater than 1%, Cr: 8 - 14%, Mo: 0.01 - 1.2%, W : 0.8 - 3.5%, V : 0.1 - 0.3%, Nb: 0.01 - 0.2%, A l : not greater than 0.05%, Cu: 0.4 - 3%, Mg: 0.0005 - 0.5%, N : 0.001 - 0.1% B : 0 - 0.02%, at least one of La, Ce, Y, Ca, Ti, Zr, and Ta each in an amount of 0 - 0.2%, and Fe and incidental impurities: balance. h</p> |
