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450 degrees FNote, the thickness of the material will also determine the amount of time to have these stress relieved, and for a thicker material you will more than likely need a higher temperature. Just curious, what are you working on?
Piano wire = music wireAfter coiling music wire heat treat spring for 25-30 minutes at 450 degrees or until end of the coil changes color (brown).From a guy that makes springs for a living remember, springs by definition are a mechanical device meaning they are a par that has to perform a function. If that spring is not made correctly then the whole assembly may not work correctly..02,Jesse
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how to transform your old electric oven into a modern digital thermostat controlled one (aka: the meringues solution!)