| 摘要 |
PROBLEM TO BE SOLVED: To provide an austenite steel having high strength and excellent in hydrogen embrittlement resistance at a low cost.SOLUTION: There is provided a high strength austenite steel excellent in hydrogen embrittlement resistance and having a composition containing, by mass%, C:0.05 to 0.15%, Si:0.1 to 1.5%, Mn:10.0 to 20.0, Ni:0.1 to 2.0%, Cr:15.0 to 20.0%, Mo:0.05 to 2.5%, Cu:0.05 to 1.5%, V:0.005 to 0.3%, N:0.3 to 0.6% and the balance Fe with inevitable impurities and P:0.02% or less and S:0.01% or less in the inevitable impurities.SELECTED DRAWING: None |
