| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast iron includes components at following ratio, wt %: carbon 3.0-3.4; silicon 0.2-0.3; manganese 0.2-0.3; magnesium 0.001-0.002; aluminium 2.1-2.3; vanadium 0.5-0.7; boron 0.01-0.02; silver 0.001-0.002; hafnium 1.9-2.3; the rest is iron. ^ EFFECT: enhanced heat resistance of cast iron. ^ 1 tbl |
