FIELD: metal corrosion protection.
SUBSTANCE: invention relates to the field of metal corrosion protection. The method comprises bringing into contact anticorrosive composition with water system, brought into contact with the steel surface, while the specified corrosion the composition comprises a compound selected from alkylbenzoates, alkylsalicylate, alkoxybenzenes, alkoxyethanol, nitrobenzothiazole, nitrocalcite, halogenbenzoic, halogenosilanes, hydrogenated benzotriazole, hydrogenated tolyltriazole, acids or salts or combinations thereof, with the aqueous system containing brine and having a pH of less than 2 and a temperature of 120°C to 300°C.
EFFECT: method and anti-corrosion compositions have been developed to protect steel surfaces exposed to harsh conditions, while the anti-corrosion compositions do not require the use of phosphorus or zinc.
17 cl, 3 tbl, 2 ex
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