| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains components at the following ratio, mass %: carbon 3.0-3.5; silicon 1.0-1.5; manganese 1.0-1.5; chromium 1.0-1.5; copper 1.0-1.5; nickel 0.3-0.5; calcium 0.005-0.01; aluminium 0.05-0.1; vanadium 0.3-0.5; titanium 0.1-0.2; zirconium 0.1-0.2; molybdenum 1.5-2.0; nitrogen 0.05-0.15, the rest being iron. ^ EFFECT: upgraded wear resistance of iron. ^ 1 tbl |
