What Is Spring Steel?


Quick Answer

Spring steel is a low-alloy, medium- or high-carbon steel with an incredibly high yield strength. This allows it to be flexed or bent and return to its original shape.

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Full Answer

Spring steel is, as its name implies, perfect for springs. Because springs are made to be pushed and flexed, a metal with lower yield strength loses shape and ceases to function as a spring. Spring steel is also commonly used for prop swords, lockpicks and aircraft landing gear. The most widely used spring steel incorporates nickel as a part of the alloy and is used as music wire for pianos, guitars and other instruments.

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