| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: steel contains carbon, silicon, manganese, chromium, vanadium and iron at following ratio of components, wt %: carbon from over 0.65 to 0.80, silicon 0.25-0.45, manganese 0.60-0.90, chromium from over 0.20 to 0.80, vanadium < 0.05, iron - the rest. ^ EFFECT: raised tensile strength of steel, its hardness, impact viscosity, wear resistance and contact-fatigue resistance. ^ 2 tbl, 1 dwg |
