MALLEABLE CAST IRON

摘要

FIELD: metallurgy, namely cast iron compositions. ^ SUBSTANCE: cast iron contains next relations of components, mass%: carbon, 2.0 - 2.5; silicon, 1.0 - 1.5; manganese, 0.5 - 1.0; magnesium, 0.03 - 0.08; copper, 0.5 - 1.0; niobium, 1.5 -2.0; aluminum, 0.03 - 0.08; molybdenum, 5.0 - 6.0; vanadium, 0.2 - 0.4; chrome, 0.05 - 0.1; iron, the balance. ^ EFFECT: increased tensile strength of cast iron. ^ 1 tbl