| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 2.7-3.7; silicon - 2.5-3.0; manganese - 0.8-1.2; magnesium - 0.001-0,002; cerium - 0.1-0.15, boron - 0.1-0.15; vanadium - 0.2-0.3; copper - 0.7-1.1; tin - 0.001-0.002; zirconium - 0.1-0.15; iron making the rest. ^ EFFECT: higher strength. ^ 1 tbl |
