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What are the methods for surface treatment of chains?
2022-08-23
What are the methods for surface treatment of chains?
A surface‑treatment process in which steel shot of a specified diameter is blasted onto the part’s surface to create uniform micro‑pits, thereby enhancing the chain’s surface fatigue strength.
Bluing
After heating the parts to a specified temperature, they are quenched in a chemical aqueous solution and then saponified, resulting in a blue surface finish. Chains subjected to bluing not only exhibit an attractive appearance but also provide rust‑preventive protection.
Phosphidation
Immersing the parts in a phosphating solution at a specified temperature causes a phosphate coating to form on their surfaces, resulting in a black or gray finish that enhances the aesthetic appeal of the chain while providing corrosion protection. These phosphating solutions are recyclable and have a relatively low environmental impact.
Nickel plating
Nickel plating, whether by electroplating or chemical nickel plating, is used to form a nickel coating on the surface of parts; this coating both enhances the aesthetic appearance of the chain and provides corrosion protection. Nickel‑plated chains are typically employed in outdoor applications.
Galvanized
A zinc‑plated or chemically galvanized coating is applied to the surface of the parts, providing both an attractive finish and corrosion protection. Galvanized chains are typically suitable for outdoor applications.
Heat treatment
In heat-treating equipment, various auxiliary media are employed at elevated temperatures to refine the microstructure of components and enhance their physical properties.
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Shiqu Lin, Shiqu Township, Lanxi City, Zhejiang Province
Email:157697295@qq.com
Phone:13868925598
Address: Shiqu Lin, Shiqu Township, Lanxi City, Zhejiang Province
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We can supply various standard and non-standard transmission chains.