| 摘要 |
FIELD: metallurgy.SUBSTANCE: cast-iron contains the following, wt %: carbon 3.0-3.4; silicone 2.0-2.5; manganese 2.0-2.5; aluminium 2.8-3.2; tantalum 0.03-0.05; boron 0.1-0.15; tungsten 1.5-2.0; selenium 0.005-0.01; tellurium 0.003-0.005; zirconium 0.2-0.3; cobalt 0.3-0.5; iron is the rest.EFFECT: increasing cast iron thermal resistance.1 tbl |
