| 摘要 |
FIELD: metallurgy, iron and steel industry. ^ SUBSTANCE: invention refers to metallurgy and can be used for producing parts for chemical, and oil and gas industries. Steel contains, mas.%: carbon 0.25-0.35; silicon 0.3-0.5; manganese 1.1-1.5; chromium 23.0-27.0; nickel 21.0-25.0; molybdenum 4.5-5.5; niobium 0.8-1.2; thorium dioxide 0.15-0.25; calcium 0.005-0.01; iron- the rest. ^ EFFECT: producing steel of upgraded hydrogen resistance. ^ 1 tbl |
