| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: iron contains components at following ratio, wt %: carbon 3.0-3.4; silicon 2.6-2.9; manganese 0.6-1.2; magnesium 0.005-0.01; aluminium 0.07-0.09; tantalum 0.07-0.09; boron 0.07-0.09; tungsten 6.4-7.2; cerium 0.2-0.3, iron - the rest. ^ EFFECT: raised heat resistance of iron. ^ 1 tbl |
