| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention concerns metallurgy field. Particularly it concerns cast irons content. Cast iron contains components in a following ratio, wt %: carbon 2.2-3.0; silicon 1.2-1.8; manganese 0.4-0.6; aluminium 0.1-0.3; calcium 0.02-0.04; barium 0.02-0.04; chrome 0.3-0.5; copper 0.6-1.0; zinc 0.01-0.03; iron - the rest. ^ EFFECT: cast iron hardening. ^ 1 tbl |
