| 摘要 |
FIELD: metallurgy; steels for manufacture of articles working under heavy thermo-cyclic loads. ^ SUBSTANCE: proposed steel contains the following components, mass-%: carbon, 0.1-0.3; silicon, 0.1-0.3; manganese, 0.5-1.0; chromium, 4.5-5.5; calcium, 0.001-0.003; titanium, 0.3-0.8; yttrium, 0.02-0.04; boron, 0.03-0.08; cobalt, 2.0-3.0; tungsten, 0.5-1.0; the remainder being iron. ^ EFFECT: increased service life of articles made from this steel. ^ 1 tbl |
