| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to iron and steel metallurgy, particularly to steel used for production of monorails of mine monorail ways. Steel contains carbon, manganese, silicon, chromium, nickel, copper, vanadium, aluminium, nitrogen, iron and as impurities sulphur and phosphorus at a following ratio of elements, wt %: carbon 0.21-0.37, manganese 0.80-0.90, silicon 0.05-0.15, chromium 0.05-0.20, nickel 0.05-0.20, copper 0.03-0.20, aluminium 0.005-0.030, vanadium 0.01-0.06, nitrogen 0.005-0.025, sulphur not more, than 0.020, phosphorus not more, than 0.025, iron - the rest. ^ EFFECT: upgrading of operational resistance and mechanical properties of steel. ^ 2 tbl |
