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Questions concerning iron and steel, steel making, rod rolling, galvanizing, springs, nails, fencing, and patenting go here.

TOPIC: Electrical annealing heat calculation

Electrical annealing heat calculation 2 years 11 months ago #1006

Greetings,
Does anyone know of a formula with which I can calculate the temperature of the wire based on it's dimensions, enviornment, and electrical load placed on it?
This is for the purpose of better refining our electrical annealing process. (SS wire being annealed, 304, 316, etc.)
Thanks
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Re: Electrical annealing heat calculation 2 years 11 months ago #1007

Hi there,

I suggest you discuss this with a mechanical engineering heat transfer PhD professor at your local university and see if he/ she or somebody else such as a doctoral or post doc student will derive this for you (for a price of course).

Sincerely,

Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
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Re: Electrical annealing heat calculation 2 years 11 months ago #1008

Ok, Thanks.
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Re: Electrical annealing heat calculation 2 years 11 months ago #1009

yes, is possible to calculate the wire temperature in base of this electrical properties.

For do this, you need to measure some properties in two points in the same annealing line. Basically, with the electric resistance of the first point (calculated from the amp and the volts of the line) and the temperature of the first point (ambient temp) you can calculate the resistance of the second point, and with this, the temp.

You can found the basic formulas in the nonferrous wire handbook.

Best regards,

Victor Mendoza
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