| 摘要 |
A steel consisting of carbon, silicon, manganese, nickel, chromium, molybdenum, phosphorus, sulphur, iron, titanium, oxygen, nitrogen, hydrogen, lanthanum and yttrium in the following proportions in % by weight: carbon 0.06-0.08, silicon 0.1-0.3, manganese 0.8-1.5, chromium 16.0-18.0, nickel 9.0-11.0, molybdenum 2.0-3.0, titanium 0.5-0.8, phosphorus 0.015-0.02, sulphur 0.001-0.003, oxygen 0.002-0.003, nitrogen 0.002-0.004, hydrogen 0.0005-0.001, lanthanum 0.023-0.026, yttrium 0.022-0.025, iron the balance. |
