| 摘要 |
FIELD: metallurgy industry. ^ SUBSTANCE: invention refers to metallurgy, and namely to cast iron compounds. Cast iron component ratio is as follows, wt %: carbon 3.0-3.6; silicon 0.3-0.5; manganese 0.2-0.3; magnesium 0.001-0.003; aluminium 2.0-3.0; boron 0.08-0.12; niobium 0.6-1.0; tungsten 0.2-0.3; and iron - the rest. ^ EFFECT: improving cast iron heat resistance. ^ 1 tbl |
