| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: cast iron contains components in the following ratio, wt %: carbon 3.0-3.4; silicon 0.6-1.0; manganese 0.4-0.6; phosphorus 0.1-0.15; calcium 0.002-0.003; barium 0.01-0.05; tungsten 0.8-1.2; boron 0.3-0.4; iron is the rest. ^ EFFECT: cast iron wear resistance is increased. ^ 1 tbl |
