| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast iron contains components in a following ratio, wt %: carbon 2.8-3.2; silicon 2.8-3.2; manganese 0.8-1.2; magnesium 0.001-0.002; aluminium 0.7-0.9; nickel 7.0-9.0; vanadium 2.2-2.6; boron 0.0005-0.0007; cobalt 0.6-0.8; iron - the rest. ^ EFFECT: hardening of cast iron. ^ 1 tbl |
