| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to metallurgy, particularly to composition of iron. Iron contains components at the following ratio, wt %: carbon 3.0-3.4; silicon 0.5-1.0; manganese 0.8-1.2; magnesium 0.001- 0.003; aluminium 1.1-1.3; copper 5.0-5.5; zirconium 0.05-0.1; selenium 0.001-0.002; iron - the rest. ^ EFFECT: facilitating increased heat-resistance of iron. ^ 1 tbl |
