| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy field. Particularly it concerns cast iron content. Cast iron contains components in a following ratio, wt %: carbon 3.0-3.6, silicon 2.6-3.0; manganese 0.8-1.2; copper 1.8-2.2; tin 0.1-0.14; calcium 0.03-0.05; tellurium 0.001-0.003; iron - the rest. ^ EFFECT: increasing of cast iron hardness. ^ 1 tbl |
