摘要 |
FIELD: metallurgy.SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 3.0-3.4, silicon - 0.8-1.2, manganese - 0.4-0.8, aluminium - 0.4-0.6, copper - 2.4-2.6, vanadium - 0.6-1.5, hafnium - -0.8-0.1, molybdenum - 0.1-0.15, tellurium - 0.0005-0.0009, silver - 0.01-0.015, nickel - 1.0-1.5, iron making the rest.EFFECT: higher strength.1 tbl |