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Anti-corrosion method of stainless steel turnbuckle
May 10, 2018

Stainless steel turnbuckle exterior corrosion protection refers to the use of a variety of methods to apply a maintenance layer on the metal surface, its role is to isolate the metal from the corrosive environment in order to suppress the corrosion process, or reduce the appearance of corrosive media and metal contact, and To avoid or reduce corrosion.

    The maintenance layer should be able to meet the following requests:

    1, corrosion resistance, wear resistance, high hardness,

    2, tight structure, intact, small pores.

    3, with the matrix metal separation strong, good adhesion.

    4, the average spread and a certain thickness.

    Stainless steel screws are made of metal, and there are four main methods for metal corrosion prevention, namely the nature of the material, the environment used, the interface between the data and the environment, and the design of the improved metal structure. If a completely corrosion-resistant alloy is used to make the stainless steel screws Unless there are special needs, it is not practical in terms of economics, or the complete separation of the appearance of screws from the environmental elements that will cause corrosion, and it is not practical in practice. It may be very difficult. Improved metal structure design can improve the effect of special circumstances under certain conditions, but most of the design of stainless steel screws can not be fully amended, and its maintenance role is not permanent, so this method can not basically deal with the problem, as long as the interface Anti-corrosion, that is, the appearance of anti-corrosion treatment is currently the most widely used method.

     Maintenance layer is usually divided into two types of metal coating and non-metal coating. Metal coating refers to the maintenance layer made of metal or alloy with strong corrosion resistance on the surface of easily corroded metal. This kind of coating is also called plating. There are many methods and varieties of metal plating, the most common of which is electroplating, followed by molten metal immersion (hot dip) and chemical surface treatment. Non-metallic coating refers to the use of organic polymer materials such as paints, and inorganic materials such as ceramics to form a maintenance layer on the surface of metal equipment or parts. The maintenance layer can completely isolate the matrix metal from the environmental medium and prevent the contact corrosion of the base metal. Corrosion is formed in stainless steel standard parts.


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