Spring Clips (Flat Springs, Stampings) The term flat springs covers a wide range of springs or stampings fabricated from flat strip material which, on being deflected by an external load, will store and then release energy.
Flat Spring Materials The most commonly used flat spring material is spring steel, usually 1050, 1075 and 1095 carbon steel. Types 301, 302 or 17-7PH stainless are often specified where corrosion resistance is needed, and phosphor bronze and beryllium copper alloys are the most common for high electrical conductivity.
Flat Springs - Spring Clips : Stainless Steel
Flat Springs - Spring Clips : Carbon Steel
Flat Springs - Spring Clips : Pretempered Steel
Carbon steels may be fabricated as either pretempered or annealed material. Pretempered steel is usually specified where the bending requirements would not allow a pretempered material. After forming, the parts are hardened and tempered to the required spring properties. Since finished springs can easily be distorted during hardening, pretempered materials are preferred to annealed materials.
In addition, thin, close-tolerance broad flat springs usually require either additional setting operations or jig hardening, both of which add to cost. Where pretempered materials cannot be used, it is often possible to substitute type 301 or 17-7PH stainless steel to obtain spring properties similar to a pretempered material without the added cost of hardening or setting operations.
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