| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast iron contains the following component ratio, wt %: carbon 2.2-2.8; silicon 0.8-1.2; manganese 0.8-1.2; chrome 0.5-0.7; barium 0.001-0.002; molybdenum 0.9-1.1; nickel 1.7-2.3; calcium 0.001-0.002; tantalum 1.7-2.3; praseodymium 0.4-0.6; and iron is the rest. ^ EFFECT: increasing cast iron thermal resistance. ^ 1 tbl |
