| 摘要 |
FIELD: ferrous metallurgy, in particular, cast iron compositions which may be used for manufacture of rolls employed at elevated temperatures and increased mechanical loadings. ^ SUBSTANCE: cast iron composition contains, wt%: carbon 3.2-3.6; silicon 0.4-0.8; manganese 1.5-2.0; chromium 4.0-5.0; nickel 0.3-0.8; titanium 0.1-0.2; copper 0.1-0.3; niobium 3.0-4.0; tungsten 0.3-0.5; iron the balance. ^ EFFECT: increased torsion resistance at elevated temperatures. ^ 1 tbl |
