| 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 3.6-4.0; silicon 1.6-1.8; manganese 0.2-0.4; copper 1.0-1.4; aluminium 0.08-0.12; calcium 0.01-0.02; zirconium 0.4-0.6; lithium 0.002-0.008; iron - the rest. ^ EFFECT: increasing of cast iron durability. ^ 1 tbl |
