| 摘要 |
FIELD: ferrous metallurgy, in particular, cast iron compositions which may be used for manufacture of rolls employed in rolled products industry. ^ SUBSTANCE: cast iron composition contains, wt%: carbon 2.0-2.5; silicon 0.5-1.0; manganese 0.5-1.0; chromium 30.0-35.0; nickel 2.0-3.0; vanadium 0.2-0.3; molybdenum 1.0-2.0; boron 0.2-0.3; calcium 0.01-0.02; phosphor 0.01-0.03; zirconium 0.2-0.3; titanium 0.2-0.3; iron the balance. ^ EFFECT: increased fire and wear resistance of cast iron. ^ 1 tbl |
