| 摘要 |
FIELD: ferrous metallurgy, namely cast iron compositions, possibly manufacture of parts operating in frictional condition at increased wear. ^ SUBSTANCE: cast iron contains, mass %: carbon, 1.4 - 2.2; silicon, 1.5 - 2.0; manganese, 20.0 - 25.0; aluminum, 0.1 - 0.15; vanadium, 0.3 - 0.5; calcium, 0.008 - 0.012; chrome, 4.0 - 5.0; nitrogen, 0.1 - 0.15; magnesium, 0.003 - 0.008; iron, the balance. ^ EFFECT: improved wear resistance of cast iron. ^ 1 tbl |
