Wear resistance and hardness requirements of inner hole plating tube

- Jul 03, 2019-

In the process of using the inner hole plating tube, the process of electroplating is mainly used to apply a thin layer of metal or alloy on the surface of the steel pipe, and the surface of the metal or other material is adhered by electrolysis. The process of the layer metal film serves to prevent corrosion, improve wear resistance, electrical conductivity, light reflectivity and enhance aesthetics.


The hard chrome-plated (wear-resistant chrome) coating on the inner hole plating tube has extremely high hardness and wear resistance, which can prolong the service life of the workpiece, such as cutting and drawing tools, pressing dies and molds of various materials, bearings, shafts, Gages, gears, etc. can also be used to repair dimensional tolerances of worn parts. Plating microporous or microcracked chromium on multi-layer nickel is an important way to reduce the total thickness of the coating and obtain a high corrosion resistance protection system. It is also the development direction of modern electroplating process.


Before the treatment of the inner hole plating tube


In general, steel parts are plated with black chrome, most of which are plated with copper or nickel, while products are often coated with copper, nickel chrome and black chrome. The copper alloy parts can be directly chrome-plated by pre-treatment such as degreasing and pickling, while the products are plated with nickel plating and then black chrome to protect the decorative effect. Before and after the mold plating process, the mold is chrome-plated and generally applied to the surface of the mold product.