| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention refers to metallurgy and can be used for tool of cold work. Steel contains, mass.%: carbon 0.65-0.75; silicon 0.7-1.5; manganese 0.4-0.7; chromium 3.9-4.5; molybdenum 1.9-2.5; vanadium 0.15-0.3; aluminium 0.05-0.1, copper 1.1-1.5; zirconium 0.1-0.2; magnesium 0.03-0.07; cerium 0.1-0.2; strontium 0.03-0.07, boron 0.15-0.25 and iron constitutes the remaining percentage ^ EFFECT: upgraded castability and wear resistance of steel. ^ 1 tbl |
