| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy field, particularly it concerns cast irons content. Cast iron contains elements at a following ratio, wt %: carbon 3.6-3.8; silicon 1.6-2.0; manganese 0.6-0.8; chrome 0.45-0.65; molybdenum 1.6-2.0; copper 1.0-1.4; beryllium 0.003-0.005; boron 0.12-0.16; calcium 0.003-0.007; cerium 0.22-0.28; iron - the rest. ^ EFFECT: upgraded hardness of iron. ^ 1 tbl |
