| 摘要 |
FIELD: ferrous metallurgy; cast irons used for manufacture of equipment for pumps and compressors. ^ SUBSTANCE: proposed cast iron contains the following components, mass-%: carbon, 3.0-3.8; silicon, 1.0-1.5; manganese, 0.8-1.2; chromium, 1.0-1.5; nickel, 2.0-2.5; copper, 0.8-1.2; boron, 0.05-0.1; magnesium, 0.003-0.007; aluminum, 0.03-0.07; zirconium, 0.4-0.8; vanadium, 2.0-3.0; nitrogen, 0.05-0.15; the remainder being iron. ^ EFFECT: enhanced strength of cast iron. ^ 1 tbl |
