| 摘要 |
FIELD: iron and steel industry. ^ SUBSTANCE: iron consists of, mas. %: carbon 3.2-3.8; silicon 0.6-1.0; manganese 5.0- 6.0; chromium 8.0-10.0; nickel 10.0-2.0; vanadium 0.5-1.0; titanium 0.1-0.2; copper 0.1-0.2; niobium 2.5-3.0; nitrogen 0.1-0.15; iron - the rest. ^ EFFECT: iron possesses high hardness. ^ 1 tbl |
