IRON

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FIELD : metallurgy. SUBSTANCE : invention refers to metallurgy, particularly to compositions of iron. Iron contains components at the following ratio, mass % : carbon 2.7-3.3; silicon 0.7-2.5; manganese 0.5-1.0; aluminium 2.4-3.2; copper 0.2-0.45; nickel 0.8-1.4; rare earth metals REM 0.05-0.1; zirconium 0.1-0.2; vanadium 0.1-0.2; magnesium 0.005-0.01, the rest being iron. EFFECT : upgraded heat resistance of iron. 1 tbl