| 摘要 |
FIELD: metallurgy, iron and steel industry. ^ SUBSTANCE: invention refers to metallurgy and can be used for production of flats and cold die forging items. Steel contains, mas.%: carbon 0.05-0.15; silicon 0.05-0.15; manganese 0.2-0.3; aluminium 0.05-0.15; titanium 0.05-0.15, calcium 0.003-0.005; boron 0.03-0.05; niobium 0.3-0.5; zirconium 0.2-0.3; strontium 0.003-0.005 and iron - the rest. ^ EFFECT: producing steel of upgraded strength. ^ 1 tbl |
