FIELD: metallurgy. SUBSTANCE: steel contains (mass): carbon (0.14-0.21); manganese (1.5-2.0); silicium (0.2-0.8); titanium (0.03-0.1); calcium (0.03-0.05); zirconium (0.01-0.03); arsenic (0.01-0.15); copper (0.1-0.3); vanadium (0.05-0.1); molybdenum (0.05-0.08); ferrum the balance. EFFECT: enhanced quality of steel. 1 cl, 1 tbl
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|---|---|---|---|
| STEEL | 1992 |
|
RU2012681C1 |
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