| 摘要 |
<p>A device implementing a method for making a brass-plated lengthy article comprises a bath (3) with molten inorganic salts in which the surface of the workpiece (1) is degreased and pickled. Then after deposition on the surface of the workpiece (1) of a layer of copper it is covered with a layer of zinc in a unit (8) for electrolytic coating after which a thermodiffusion and tempering treatment of the workpiece (1) is carried out in a bath (11) with molten salts. </p> |
