| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a maraging steel having improved fatigue characteristics by the miniaturization of TiN inclusion.SOLUTION: A maraging steel has a composition comprising, by mass%, C:≤0.015%, Ni: 12.0-20.0%, Mo: 3.0-6.0%, Co: 5.0-13.0%, Al: 0.01-0.3%, Ti: 0.2-2.0%, O:≤0.0020%, N:≤0.0020%, Zr: 0.001-0.02%, with the balance being Fe and inevitable impurities.</p> |
