| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention relates to metallurgy field, particularly to compositions of cast iron. Cast iron contains components at a following ratio, wt %: carbon 2.8-3.2; silicon 0.4-0.7, manganese 0.8-1.2; chromium 0.4-0.6; titanium 0.1-0.15; aluminium 0.4-0.5; copper 4.4-4.6; rare earth elements 0.22-0.24; niobium 0.2-0.4; molybdenum 1.4-1.6; tin 0.015-0.02; iron - the rest. ^ EFFECT: upgraded tensile strength of cast iron. ^ 1 tbl |
