Ocr21al4 Fecral Electric Resistance Heating Wire

• Product Type: Wire
• Material: Fecral
• Carbon Content: Low Carbon
• Wire: 0.01-10mm
• Ribbons: :0.05*0.2-2.0*6.0mm
• Strip: :0.05*5.0-5.0*250mm
• Model NO.: ocr21al4
• Bar: 10-50mm
• Transport Package: Waterproof Film, Weave Bag, Pallet
• Specification: ASTM B603, DIN 17470, JIS C2520, GB/T1234
• Trademark: TANKII
• Origin: Tankii, China
• HS Code: 7409400000
• Production Capacity: 5000 Tons/Year

Product Description

Ocr21al4 Fecral Electric Resistance Heating Wire
 

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.