HIGH-CORROSION-RESISTANT STEELS OF THE TRANSITION CLASS Russian patent published in 2016 - IPC C22C38/58 C22C38/46 

FIELD: metallurgy.

SUBSTANCE: invention relates to a high strength corrosion resistant steels of the transition class used for the manufacture of highly loaded parts and structures in mechanical engineering and shipbuilding, working in conditions of corrosive environment. Steel contains wt.%: 0.12-0.35 carbon, nitrogen 0.11-0.21, 14.0-15.0 chromium, nickel 2.5-3.5, manganese 0.5-1.5, molybdenum 1.2-1.7, Si 0.2-0.6, 1.5-2.0 copper, vanadium 0.05-0.10, calcium 0.005-0.050, 0.005-0.030 cerium, yttrium 0.005-0.030, lanthanum 0.005-0.030, 0.005-0.020 barium, iron - the rest.

EFFECT: it ensures a high level of mechanical and corrosion properties.

4 cl, 2 tbl