| 摘要 |
FIELD: ferrous metallurgy. ^ SUBSTANCE: invention relates to cast iron compositions. Proposed cast iron comprises components taken in the following ratio, wt.-%: carbon, 2.8-3.2; silicon, 1.6-2.0; manganese, 1.0-1.4; chrome, 0.4-1.2; copper, 0.8-1.2; nickel, 1.8-2.2; nitrogen, 0.1-0.2, and iron, the balance. Using the invention provides enhancing strength and hardness of cast iron. ^ EFFECT: improved and valuable properties of cast iron. ^ 1 tbl |
