| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains elements at a following ratio, wt %: iron 2.5-3.5; silicon 0.1-0.3; manganese 0.1-0.3; chromium 0.5-1.5; vanadium 2.0-2.5; nickel 4.5-5.5; aluminium 0.4-0.6; cobalt 0.2-0.3; praseodymium 0.05-0.1, germanium 0.002-0.006; iron - the rest. ^ EFFECT: upgraded impact and fatigue resistance of iron. ^ 1 tbl |
