METHOD FOR MANUFACTURE OF STEEL-COPPER WIRE Russian patent published in 2001 - IPC

FIELD: plastic metal working, in particular, manufacture of steel-copper wire. SUBSTANCE: the method consists in cleaning of the steel core surface, application of a protective precoat, turning of a copper band around the core, connection of its edges, heating and rolling of the obtained bimetallic blank, a layer of nickel or manganese is applied as a protective precoat, and after rolling the surface of the bimetallic wire is cleaned, and an additional protective nickel coat is deposited on its surface by successive deposition of layers. EFFECT: enhanced mechanical and anticorrosion properties of wire during a long period of service. 2 cl, 1 dwg, 1 ex _