STEEL Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: steel has, wt. -% : carbon 0.37-0.45; silicon 0.5-0.8; manganese 0.5-0.8; chrome 1.5-1.8; vanadium 0.1-0.25; molybdenum 1.5-2.0; aluminium 0.1-0.3; titanium 1-2; calcium 0.06-0.08; rare- earth metals 0.1-0.15; niobium 0.09-0.15; phosphorus 0.15-0.25; arsenic 0.06- 0.1; antimony 0.03-0.05, and iron - the rest. Steel is used in machine engineering. EFFECT: simplified steel working, decreased period of working. 1 tbl