FeCrAl electric resistance alloy wire OCr21Al4 for heating system

Product Description
OCr21Al4
OCr21Al4 is one kind of normal material of Fe-Cr-Al alloy.
FeCrAl alloy has the characteristic of highresistivity,low temperature resistance coefficient,high operating temperature,good anti-oxidationand anti-corrosion under high temperature.
Itiswidelyusedinindustrialfurnace,householdappliances,industryfurnace,metallurgy,machinery,aircraft,automotive,militaryandotherindustriesproducingheatingelementsandresistanceelements.
FeCrAlalloyseries:OCr15Al5,1Cr13Al4,0Cr21Al4,0Cr21Al6,0Cr25Al5,0Cr21Al6Nb,0Cr27Al7Mo2,andetc.
Size dimension range:
Wire:0.01-10mm
Ribbons:0.05*0.2-2.0*6.0mm
Strip:0.05*5.0-5.0*250mm
Bar:10-50mmSpecification AlloyNomenclaturePerformance0Cr21Al4MainChemicalcompositionCr18.0-21.0Al3.0-4.2ReopportuneFeRestMax.continuousservicetemp.ofelement(°C)1100Resistivityat20ºC(μΩ·m)1.23Density(g/cm3)7.35Thermalconductivity(KJ/m·h·ºC)46.9Coefficientoflinesexpansion(αx10-6/ºC)13.5Meltingpointapprox.(ºC)1500Tensilestrength(N/mm2)600-700Elongationatrupture(%)>14Variationofarea(%)65-75RepeatBendingfrequency(F/R)>5Hardness(H.B.)200-260continuousservicetime(Hours/ºC)≥80/1250MicrographicstructureFerriteMagneticpropertiesMagneticProduct applicationCompany Information
FeCrAlalloyseries:OCr15Al5,1Cr13Al4,0Cr21Al4,0Cr21Al6,0Cr25Al5,0Cr21Al6Nb,0Cr27Al7Mo2,andetc
NiCralloyseries:Cr20Ni80,Cr30Ni70,Cr20Ni35,Cr20Ni30,Cr15Ni60andetc.
CuNiseries:CuNi1,CuNi2,CuNi6,CuNi10,CuNi23,CuNi30,CuNi44,Monel400,Constantan andetc.
High-temperaturealloyseries:GH131,GH140,GH36,GH2706,GH2901,GH3625,GH3536,GH4169andetc.
Welding wire series:HGH2132,HGH1040,HGH3030,HGH4033,ER6040.ERNi-1,ERNiCrMo-3 and etc.
Corrosionresistancealloyseries:Incoloy800H,Incoloy825,Inconel600,Inconel690,Inconel625andetc.
Precisionalloyseries:1J33,3J1.3J9.4J28.4J29.4J32.4J33.4J36.4J45.4J50andetc.production processCertificationsCustomersFAQ
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