FIELD: metallurgy.
SUBSTANCE: proposed steel contains components in the following ratio in wt %: carbon - 0.01-0.1, silicon - 0.5-1.0, manganese - 1.0-5.0, nickel - 10.5-22.0, chromium - 17.0-24.0, molybdenum - 1.0-4.0, nitrogen - 0.51-0.7, tungsten - 0.1-1.0, iron and admixtures making the rest.
EFFECT: higher yield point and strength, thermal structural stability, pitting resistance in chloride- and hydrogen sulphide-bearing media.
2 tbl
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