Fecral Electric Resistance Alloy Wire Ocr21al4 for Heating System

Model NO.: OCr21Al4 Material: Fe-Cr-Al Application: Heating System and Household Electrical Appliances Resistance: Stable Certificate: ISO9001,SGS Origin: Jiangsu, China Product Type: Wire Carbon Content: Low Carbon Treatment: Hydrogen Annealing Surface: Oxidized or Bright Trademark: XL 1.Product description
OCr21Al4 is one kind of normal material of Fe-Cr-Al  alloy.
FeCrAl Alloy has the characteristic of high resistivity,low temperature  resistance coefficient,high operating temperature,good anti-oxidation and anti-corrosion  under high temperature.
It is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive, military and other industries producing heating elements and resistance elements.
 
2.Specification

Alloy Nomenclature Performance		0Cr21Al4
Main Chemical composition	Cr	18.0-21.0
	Al	3.0-4.2
	Re	opportune
	Fe	Rest
Max. continuous service temp. of element(°C)		1100
Resistivity at 20ºC(μΩ·m)		1.23
Density(g/cm3)		7.35
Thermal conductivity(KJ/m·h·ºC)		46.9
Coefficient of lines expansion(α×10-6/ºC)		13.5
Melting point approx.( ºC)		1500
Tensile strength(N/mm2)		600-700
Elongation at rupture(%)		>14
Variation of area(%)		65-75
Repeat Bending frequency(F/R)		>5
Hardness(H.B.)		200-260
continuous service time(Hours/ ºC)		≥80/1250
Micrographic structure		Ferrite
Magnetic properties		Magnetic

3.Products
FeCrAl alloy series: OCr15Al5,1Cr13Al4, 0Cr21Al4, 0Cr21Al6, 0Cr25Al5, 0Cr21Al6Nb,0Cr27Al7Mo2, and etc
NiCr alloy series: Cr20Ni80,Cr30Ni70,Cr20Ni35,Cr20Ni30,Cr15Ni60 and etc.
CuNi series: CuNi1,CuNi2,CuNi6,CuNi10,CuNi23,CuNi30,CuNi44,Monel400,Constantan and etc.
High-temperature alloy series: GH131,GH140,GH36,GH2706,GH2901,GH3625,GH3536,GH4169 and etc.
Welding Wire series:HGH2132,HGH1040,HGH3030,HGH4033,ER6040.ERNi-1,ERNiCrMo-3 and etc.
Corrosion resistance alloy series: Incoloy800H,Incoloy825,Inconel600,Inconel690,Inconel625 and etc.
Precision alloy series: 1J33,3J1.3J9.4J28.4J29.4J32.4J33.4J36.4J45.4J50 and etc.
 
4.Packing
Products of coils wire,strip and bar are packed with waterproof paper or weave bag, into pallets or wooden case.                                                            
Products of spool wire or ribbon are packed with plastic film, standard cardboard boxes,into pallets and wooden case.                                         
Special packaging requirements can also be accommodated.                          
OEM is also acceptable.
 

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Product Categories : FeCrAl Alloy