IRON

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FIELD : metallurgy.SUBSTANCE : iron contains elements at a following ratio, mas.% : carbon 3.3-3.8, silicon 0.9-1.5, manganese 0.2-0.6, chromium 0.1-0.2, titanium 0.05-0, 1, (rare earth metals) REM 0.03-0.05, calcium 0.005-0.01, zirconium 0.1-0.2, molybdenum 1.9-2.3, magnesium 0.03-0.05, nitrogen 0.15-0.25, iron - the rest.EFFECT : upgraded strength and castability of iron.1 tbl