| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: iron contains components at following ratio, wt %: carbon 2.8-3.2; silicon 0.03-0.07; manganese 0.03-0.07; molybdenum 2.2-2.6; copper 0.4-0.5; tantalum 0.17-0.23; beryllium 0.006-0.008; tungsten 0.4-0.6; iron - the rest. ^ EFFECT: raised heat resistance of iron. ^ 1 tbl |
