| 摘要 |
FIELD: metallurgy.SUBSTANCE: cast-iron contains the following, wt %: carbon 3.0-3.4; silicon 2.6-3.0; manganese 0.5-0.7; cerium 0.09-0.13; cobalt 0.2-0.4; boron 0.01-0.014; tellurium 0.0006-0.0008; hafnium 0.1-0.15; copper 1.1-1.5; iron is the rest.EFFECT: increasing cast iron strength.1 tbl |
