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Spring material properties



1.What material is best for high temperature applications?

As temperature resistance increases, the and processing cost typically increases signifi-cantly. Therefore, it is usually wise to select arial that provides resistance for the intended erature range with minimal excess capability. The table below lists a variety of spring materials and their maximum service temperatures.


2.Which material gives the best corrosion resistance?

Once again, the actual operating environment a significant role. Many coatings are available that can provide adequate corrosion resistance for wire types that would not themselves resist corrosion. These include powder coating, phosphating with an oil dip or spray, and plating in some cases.Generally speaking, a coated spring produced from a traditional spring material will involve less cost than producing a spring from stainless steel.

When the application is such that coated spring wire will not meet the requirements of the appli-cation, the focus turns to stainless steel 302 stainless steel is generally the first choice. Wire can yield very corrosion-resistant springs for most environments. When the application calls for high operating temperatures as well, carbon steel and 304 stainless steel wire will also likely be considered.

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