FIELD: technological processes.
SUBSTANCE: invention relates to the field of special anticorrosive coatings and relates to a coated metal tube for a pipeline of a vehicle. Metal tube includes a metal tube and a multilayer coating film that covers the outer circumferential surface of the metal tube. Multilayer coating film comprises a chemical conversion layer and a primer layer, and these layers are created in this order from the inside. Primer layer comprises polyamideimide and an additional component of at least one type selected from polyamide, a fluorine-containing resin, a silane coupling agent and an epoxy resin.
EFFECT: invention provides increased corrosion resistance.
7 cl, 2 dwg, 1 tbl
