| 摘要 |
FIELD: metallurgy.SUBSTANCE: cast-iron contains the following, wt %: carbon 2.5-3.1; silicon 2.5-3.1; manganese 2.5-3.1; magnesium 0.001-0.0014; cerium 0.01-0.014; aluminium nitrides 0.02-0.03; boron 0.09-0.13; cobalt 0.9-1.3; tungsten 0.18-0.24; and iron is the rest.EFFECT: increasing cast-iron strength.1 tbl |
