Product Details

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 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

Product application

Company Information

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.

production process

Certifications

Customers

FAQ

How can I contact with your company?

We are always ready to serve you via Email, Telephone, Fax, Skype, Whatsapp or Mobile telephone.

Tel:+86-511-86476827
Fax:+86-511-86475088

Skype: diana19850329

Whatsapp: +86-18952950953

Mobile: +86-1895-2950-953

What is your working time?
Monday-Saturday : 7:30AM-17:00PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . For detail, please see our update holiday notice. During these period, if you have a demand, Please send me an email.

Do you provide free samples?
Yes, we can provide a free sample for testing,buyer should bear all the shipping costs.

What is your payment terms?
T/T,L/C,D/A,D/P,Western Union,MoneyGram,Paypal

We are doing the best to match your demand.

What is the lead time?

Usually sample lead time is 5 days after payment has been confirmed.

Normal order is 7-30days,it depends on customers’ quantity.

Anyway,we try to offer good-quality products as soon as possible.