| 摘要 |
FIELD: metallurgy; ferrous. ^ SUBSTANCE: steel is used in the railway engineering and the machine-tool construction industry. The steel contains the following components, % weight: carbon 0.2-0.8, silicon 0.2-0.8, manganese 10.0-15.0, chromium 0.5-1.5, vanadium 0.8-1.2, titanium 0.5-1.0, nickel 1.0-2.0, nitrogen 0.05-0.1, aluminium 0.1-0.2, barium 0.003-0.008, niobium 0.8-1.2, molybdenum 4.0-5.0, iron being the remaining. ^ EFFECT: increased mechanical strength of steel. ^ 1 tbl |
