Datasheetupdated2016100611:32:31(supersedesallpreviouseditions) Kanthal D (Resistance heating wire and resistance wire) KanthalDisaferriticironchromiumaluminiumalloy(FeCrAlalloy)foruseat temperaturesupto1300C(2370F).Thealloyischaracterizedbyhighresistivityand goodoxidationresistance. KanthalDisusedinhomeappliancesandindustrialfurnaces.Typicalapplicationsin homeappliancesincludemetalsheathedtubularelementsfordishwashers,elements embeddedinceramicsforpanelheaters,cartridgeelementsinmetaldies,heatingcables andropeheatersindefrostinganddeicingelements,micaelementsusedinirons,quartz tubeheatersforspaceheating,industrialinfrareddryers,incoilsonmoldedceramic fibreforboilingplateswithceramichobs,inbeadinsulatedcoilsforpanelheaters,in suspendedcoilelementsforairheatersinlaundrydryers. InindustrialapplicationsKanthalDisusedin,forexample,terminalstofurnace elements,porcupineelementsforairheating,andinfurnaceheatingelements. CHEMICAL COMPOSITION C% Si% Mn% Cr% Al% Fe% Nominalcomposition 4.8 Bal. Min 20.5 Max 0.08 0.7 0.5 23.5 MECHANICAL PROPERTIES Wiresize Yieldstrength Tensilestrength Elongation Hardness R R A p0.2 m mm MPa MPa % Hv 1.0 485 670 23 230 4.0 450 650 18 230 MECHANICAL PROPERTIES AT ELEVATED TEMPERATURE TemperatureC 900 MPa 34 2 Ultimatetensilestrengthdeformationrate6.2x10 /min CREEP STRENGTH - 1% ELONGATION IN 1000 H TemperatureC 800 900 MPa 1.2 0.5 PHYSICAL PROPERTIES 3 Densityg/cm 7.25 2 Electricalresistivityat20Cmm/m 1.35 Poisson sratio 0.30YOUNG S MODULUS TemperatureC 20 100 200 400 600 800 1000 GPa 220 210 205 190 170 150 130 TEMPERATURE FACTOR OF RESISTIVITY TemperatureC 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1.00 1.01 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.07 1.07 1.08 1.08 Ct COEFFICIENT OF THERMAL EXPANSION 6 TemperatureC ThermalExpansionx10 /K 20250 11 20500 12 20750 14 201000 15 THERMAL CONDUCTIVITY TemperatureC 50 600 800 1000 1200 1 1 Wm K 11 20 22 26 27 SPECIFIC HEAT CAPACITY TemperatureC 20 200 400 600 800 1000 1200 1 1 0.46 0.56 0.63 0.75 0.71 0.72 0.74 kJkg K MeltingpointC 1500 MaxcontinuousoperatingtemperatureinairC 1300 Magneticproperties Thematerialismagneticuptoapproximately600C(Curiepoint). Emissivityfullyoxidizedmaterial 0.70 DISCLAIMER: Recommendationsareforguidanceonly,andthesuitabilityofamaterialforaspecificapplicationcanbeconfirmedonlywhen weknowtheactualserviceconditions.Continuousdevelopmentmaynecessitatechangesintechnicaldatawithoutnotice.This datasheetisonlyvalidforKanthalmaterials. www.kanthal.com/contact-us www.kanthal.com