OCr21Al4 FeCrAl Resistance Strip for Automobile Tail Gas Purification

Model NO.: OCr21Al4 Material: Fecral Wire: 0.01-10mm Strip: :0.05*5.0-5.0*250mm Trademark: TANKII Origin: Tankii, China Product Type: Strip Carbon Content: Low Carbon Ribbons: :0.05*0.2-2.0*6.0mm Bar: 10-50mm Specification: ASTM B603, DIN 17470, JIS C2520, GB/T1234
OCr21Al4
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.
 
FeCrAl alloy series: OCr15Al5,1Cr13Al4, 0Cr21Al4, 0Cr21Al6, 0Cr25Al5, 0Cr21Al6Nb,0Cr27Al7Mo2, and etc.
 
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:10-50mm


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

Has been used extensively as heating elements in industrial furnaces and electrical kilns.

Has less hot strength than Tophet Alloys but much higher melting point.


Our Services
1)  Pass ISO9001 and SGS certification.
2)  Samples free available.
3)  OEM service.
4)  Manufacturer test certificate will be provided If necessary.
5)  Good packing methods to keep goods safe.
6)  Choose safe,quick,price reasonable forwarder to transport for our customers.
7)  Short delivery time.

SHANGHAI TANKII ALLOY MATERIAL CO., LTD

ALCHROME AND FECRAL ALLOY PRODUCER IN CHINA, MOST PROFESSINAL IN THE WORLD

Contact us if you need more details on Alchrome Alloy. We are ready to answer your questions on packaging, logistics, certification or any other aspects about FeCrAl Alloys、Heating Resistance Alloy. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : FeCrAl Alloys > FeCrAl Resistance Wire