| 摘要 |
FIELD: metallurgy.SUBSTANCE: cast iron contains the following, wt %: carbon 3.0-3.5, silicon 1.5-2.0, manganese 0.6-0.8, phosphorus 0.03-0.05, boron 0.04-0.06, calcium 0.002-0.004, lead 0.01-0.015, copper - 0.9-1.3, nickel 0.6-0.8, iron - the rest.EFFECT: higher wear resistance.1 tbl |
