| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: steel contains carbon, silicon, manganese, nickel, vanadium, niobium, nitrogen, praseodymium, potassium, silver, cobalt and iron, at following ratio of components, wt %: carbon 0.06 - 0.08, silicon 0.25 - 0.35, manganese 0.6 -1.0, nickel 0.6 - 1.0, vanadium 0.14 - 0.18, niobium 0.26 - 0.32, nitrogen 0.003-0.005, praseodymium 0.1 - 0.14, potassium 0.0001 - 0.0002, silver 0.001 - 0.002, cobalt 0.4 - 0.6, iron - the rest. ^ EFFECT: steel heavy-duty. ^ 1 tbl |
