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Is there any possible way to calculate the temperature required for a metal to expand or bend with dimensions?

For example, take Mild steel with a length of 100mm, width of 150mm, and thickness of 2.5mm.

I want to know at what temperature(heating) the material starts to expand or bend.

If possible please explain in simple terms.

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  • $\begingroup$ No temperature needed . Just enough force; lookup " cold heading". $\endgroup$ Aug 31, 2023 at 18:33

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Any change in temperature causes a change in length or volume.

There is the Coefficient of Linear Expansion - defined for most metals.

This has been commonly used in bi-metallic strips as simple thermostats as one metal is chosen to bend more than the other for the same temperature change.

It can also be seen when bearings are heated to fit over shafts and the linear becomes radial or when bearings are put in liquid nitrogen to shrink them.

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