摘要 |
FIELD: metallurgy; composition of cast iron. ^ SUBSTANCE: proposed cast iron contains the following components, mass-%: carbon, 2.8-3.2; silicon, 1.0-1.4; manganese, 0.8-1.2; magnesium, 0.005-0.01; aluminum, 0.1-0.5; copper, 0.4-0.8; nickel, 1.5-2.5; molybdenum, 0.3-0.7; the remainder being iron. ^ EFFECT: enhanced heat resistance of iron. ^ 1 tbl |