| 摘要 |
FIELD: ferrous metallurgy, in particular, cast iron compositions which may be used for manufacture of pumping and compression equipment, in road building and railway engineering. ^ SUBSTANCE: cast iron composition contains, wt%: carbon 2.4-3.6; silicon 1.5-1.8; manganese 0.5-1.2; chromium 3.8-4.3; vanadium 1.2-1.8; aluminum 0.8-1.2; copper 2.1-2.6; molybdenum 4.5-5.5; boron 0.05-0.1; nickel 1.5-2.5; iron the balance. ^ EFFECT: increased strength of cast iron. ^ 1 tbl |
