Spring washers, also known as disc springs, are commonly used in various industrial applications for providing additional support, reducing vibrations and preventing loosening of joints. These washers are typically made of high-quality spring steel, which ensures durable performance and prevents rusting or corrosion.
Zinc plating is a popular surface treatment used to protect spring washers from rusting or corroding. It involves the application of a thin layer of zinc to the surface of the washer, which provides a sacrificial layer that corrodes in place of the underlying metal. Additionally, zinc plating gives a shiny finish to the washer, making it aesthetically pleasing and easy to spot-check for defects.

One of the key advantages of zinc-plated spring washers is their resistance to environmental factors like moisture and humidity. Moisture can cause spring washers to corrode, which can result in decreased performance or failure of the joint. The zinc layer on the surface of the washer acts as a barrier, preventing moisture from penetrating the underlying metal and causing corrosion.
Zinc-plated spring washers also have high tensile strength and can withstand heavy loads without getting deformed or twisted. This makes them ideal for use in applications that require high-stress resistance and support. Moreover, the shiny finish of the washer makes it easy to identify and replace damaged or worn-out washers during routine maintenance or inspections.
In conclusion, spring washers are an essential component in many industrial applications, and zinc plating provides an effective way to protect them from rusting or corroding, which can compromise their performance and lead to failure. When choosing spring washers for your application, consider opting for zinc-plated ones for added protection and performance.