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Finding the right heating solution for glass tempering furnaces
For glass tempering furnaces, temperature control over different heating zones is crucial, and Kanthal can deliver solutions for precise heat and reliability.
Kanthal 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.
Miscellaneous conversion factors
Miscellaneous conversion factors To convert from To Multiply by BTU Kilo-calorie 0.25200 BTU Foot-pound 778.17 BTU Joules 1054.0 BTU Kilowatt-hour 0.00029307 Calorie Joule 4.1840 Centigrade Fahrenheit (1.8 x °C) + 32 Circular mil Square centimeter 0.000005067 Circular mil Square inch
Symbols, formulas and definitions
List of symbols Unit for calculations 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
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 Kanthal® AF Kanthal® APM Kanthal® APMT Kanthal® D Nikrothal® 80 Nikrothal® 70 Niktrothal® 60 Nikrothal® 40 Kanthal® A-1 Resistivity 1.45 Ω mm2/m Density 7.1 g/cm3 To obtain resistivity at working temperature, multiply by factor
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).
Wire
Content: Kanthal® A-1 Kanthal® AF Kantal® APM Kanthal® APMT Kanthal® D Nikrothal® 80 Nikrothal® 70 Nikrothal® 60 Nikrothal® 40 Kanthal® A-1 Resistivity 1.45 Ω mm2/m Density 7.10 g /cm3 To obtain resistivity at working temperature, multiply by factor
Product varieties
Rod Wire Strip Ribbon Welded tubes Extruded tubes Straightened wire Kanthal® APM • • • • • Kanthal® A-1 • • • • Kanthal® A • • • Kanthal® D • • • • • Kanthal® DT • • • • • Kanthal® AF • • • • • Kanthal® AE • • • Alkrothal® • • • • • Nikrothal® 80 • •