| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: steel consists of, mas. %: carbon 0.7-1.3; silicon 0.5-1.0; manganese 8.0-12.0; aluminium 0.05-0.15, nitrogen 0.05-0.1; titanium 0.05-0.15, chromium 1.8-2.2; calcium 0.005-0.01; hafnium 0.2-0.4; vanadium 1.5-2.0; boron 0.02-0.04; niobium 0.5-1.0; iron - the rest. ^ EFFECT: upgrading of steel heat resistance. ^ 1 tbl |
