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How to weld a metallic heating element
Welding is an excellent way to increase efficiency, improve forming and strengthen your heating elements. But there is lots to consider for element welding; from which material to use for terminals, to how to weld terminals onto the metallic elements. In this video, our welding expert ChristerEverything you need to know about electric furnace maintenance
Do electric furnaces need maintenance? Although minimal, yes indeed, and there are a few key things to think about. Together with Stephen Smee, our material expert Torbjörn walks us through everything you need to know about how to service an electric furnace to keep it hot and well for as longHow to form a coiled heating element
Are you curious to know how to make a coiled heating element, why nichrome is non-magnetic, or why the same heating wire can have different color? Welcome into our element workshop where we meet Stephen Smee and Kanthal material expert, Torbjörn Frankén who walk us through everything youKanthal and Rath announce strategic partnership to expand sustainable industrial heating technology offerings
Kanthal and Rath announces the signing of a strategic partnership to expand sustainable heating offerings in the market.
Conversion tables
Content: Wire gauge conversion table Temperature conversion table Interpolation table Miscellaneous conversion factors Wire gauge conversion table Gauge AWG or B&S SWG no. mm in mm in 4-0 11.684 0.4600 10.1600 0.4000 3-0 10.404 0.4096 9.4488 0.3720 2-0 9.266 0.3648 8.8392 0.3480 0 8.252
Design calculations for heating elements
In this section an element is defined as the combination of heating wire and any supporting and connecting materials. Electrical appliances equipped with heating elements are being used in domestic as well as industrial applications. Domestic applications are e.g. cooking, heating of fluids,
Symbols, formulas and definitions
List of symbols Unit for calculation Symbol Meaning Metric Imperial AC Surface area of heating conductor cm2 in2 b Width (ribbon or strip) mm in Ct Temperature factor (ratio of resistivity at operating temperature to resistivity at room temperature) d Wire diameter mm in D Outer coil diameter mm
Terminals (resistance and weight data)
Kanthal® A-1 and Kanthal® APM Dimension, mm Resistance, Ω/m Weight, g/m 8 0.0288 357 10 0.0185 558 12 0.0128 803 16 0.0072 1428 20 (Kanthal® APM only) 0.0046 2231 30 (Kanthal® A-1 only) 0.0021 5019 39 (Kanthal® APM only) 0.0012 8922 Kanthal® D Dimension, mm Resistance,
Strip
Content: Kanthal® A-1 and Kanthal® APM Kanthal® AF Kanthal® D Nikrothal® 80 Nikrothal® 70 Kanthal® A-1 and Kanthal® APM Resistivity 1.45 Ω mm2 m-1. Density 7.1 g cm-3. To obtain resistivity at working temperature, multiply by factor Ct in following table.
Ribbon
Content: Kanthal® A, Kanthal® AF and Kanthal® AE Kanthal® D Alkrothal® Nikrothal® 80, Nikrothal® 60 and Nikrothal® 40 Cuprothal® 49 Kanthal® A, Kanthal® AF and Kanthal® AE Ribbon dimensions and properties Resistivity 1.39 Ω mm2/m (836 Ω/cmf).