| 摘要 |
FIELD: ferrous metallurgy. ^ SUBSTANCE: invention relates to steel compositions used in manufacturing large-scale article mainly. Proposed steel comprises the following components, wt.-%: carbon, 0.01-0.05; silicon, 0.1-0.2; manganese, 18.0-22.0; niobium, 0.8-1.2; zirconium, 0.8-1.2; titanium, 0.4-0.8; boron, 0.1-0.2, and iron, the balance. Invention provides enhancing strength of steel. ^ EFFECT: improved and valuable technical property of steel. ^ 1 tbl |
