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heating element design 123

excellent data table from Kanthal

handbook

Kanthal A ( 0Cr25Al5 or equivalent)

from TB:


 


Nichrome wire Ni80Cr20 ( Nikrothal 80) in metric. list of other common alloy spec

from TB:





 from alloywire, there is a very handy spreadsheet

1. first of all, determine the type of heater wire to use ( Nichrome or 0Cr25Al5)

2. from datasheet, determine resistivity


online resistivity convertor

3. from your design, determine resultant power to achieve and applied voltage


 the spreadsheet will recommend the surface load ( depending on your application)

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