| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast iron contains components in a following ratio, wt %: carbon 2.7-3.1; silicon 0.9-1.3; manganese 0.9-1.3; aluminium 0.09-0.13; magnesium 0.001-0.002; boron 0.06-0.1; zirconium 0.04-0.06; iron - the rest. ^ EFFECT: cast iron hardening. ^ 1 tbl |
