Frequently Asked Questions About Springs
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Q: What material should I choose when selecting a spring?
A: Different materials are better suited for different applications and environments. The Material Properties Table provides operating temperature ranges and other useful information.
Q: Why are Stainless Steel springs magnetic?
A: Stainless Steel becomes magnetic due to cold working in the manufacturing process. Stainless Steel springs are slightly less magnetic than identically sized Carbon Steel counterparts.
Q: What is Music Wire, and why is it used to make springs?
A: Music wire, although its name is derived from the material used for piano wire, is a common high-carbon steel alloy used for spring manufacture. It is cold drawn and offers uniform tensile strength. Music wire springs are not recommended for applications where the temperature exceeds 121 C (250 F). Music wire is highly magnetic.
Q: How often can I cycle a part?
A: This is a far more complicated question than it may first seem. In fact, this question raises a series of questions that must be addressed both individually and considered as a whole. The cycle life of a spring depends, in part, on the following variables:
a) The design of the part.
b) The environment in which the part will be used.
c) The temperature range in which the part will operate.
d) The material from which the part is made.
e) How the part is used in an assembly.
