Plastics have spring tension properties?

AI Thread Summary
Plastics generally lack the broad elastic properties found in metals like spring steel, but some specialized plastics may offer suitable alternatives. The discussion emphasizes the need for specific design details and material requirements to identify appropriate plastic options. Key properties to consider include yield strength, strain at yield, modulus, and fatigue strength. Further information about the product design and intended application is necessary to provide tailored recommendations. Understanding these factors will help in determining if any plastics can effectively replace spring steel in the design.
stevec@spadco
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I am developing a product and am going to integrate a piece of flat sheet spring steel into its design for the tension required to function as hoped. I wonder about the availability of plastics that have similar properties? Any thoughts.

Merry Christmas eve day.

Steve
 
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In general, plastics are not elastic over a broad range of stress. However, some materials and designs do work. Do you have any specifications or sketches?
 
stevec@spadco said:
I am developing a product and am going to integrate a piece of flat sheet spring steel into its design for the tension required to function as hoped. I wonder about the availability of plastics that have similar properties?
We need more info. What is the design (roughly, at least)? What properties would you like the plastic to have - high yield strength, high strain at yield, large modulus, good fatigue strength...?
 
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