| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: iron contains elements at the following ratio, wt %: carbon 3.3-3.9; silicon 1.3-1.7; manganese 0.3-0.4; phosphorus 0.1-0.15; cerium 0.1-0.15; aluminium 0.1-0.15; calcium 0.01-0.015; titanium 0.01-0.015; boron 0.1-0.15; copper 0.4-0.6; antimony 0.001-0.0015; lead 0.01-0.015; iron - the rest. ^ EFFECT: increased wear resistance of iron. ^ 1 tbl |
