| 摘要 |
FIELD: ferrous metallurgy. ^ SUBSTANCE: invention relates to compositions of cast irons. Proposed cast iron comprises components in the following ratio, wt.-%: carbon, 2.8-3.2; silicon, 1.0-1.5; manganese, 0.5-1.0; aluminum, 0.1-0.2; niobium, 0.1-0.2; zirconium, 0.8-1.2; vanadium, 0.8-1.2; nitrogen, 0.10-0.15, and iron, the balance. Using the invention provides enhancing strength of cast iron. ^ EFFECT: improved and valuable property of cast iron. ^ 1 tbl |
