Magnetic Helical Spring Characteristics

  • Helical Spring Design Resources – Spring Materials

For most applications, the question of “magnetic or not” is adequately answered with the use of a permanent magnet. For some applications, even very low levels of magnetic behavior can be detrimental. Then, it is desirable to know the magnetic permeability of candidate materials and reach agreement between parties on a maximum allowable value.

Since permeability can be altered by cold work, some variation can be expected. In general, low-permeability materials are more expensive, so designers should specify low levels only when absolutely necessary. Often, nitro-strengthened manganese stainless steels are good choices because they have good strength at moderate cost.

Content Copyright Spring Manufacturers Institute, Inc.

This information is attributed to, and provided courtesy of, the Spring Manufacturers Institute, Inc. (SMI). Newcomb Spring and SMI provide this as advisory information only, and disclaim any and all liability of any kind for the use, application or adaption of material published on this web site.

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