Acid white 0Cr21Al4 electrical heating resistance flat wire
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
| 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 | |
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.
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Tel: +86-511-86476827 Fax: +86-511-86475088
Mobile: +86-1895-1210-953
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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 7 days after payment has been confirmed.
Normal order is 10-30days,it depends on customers’ quantity.
Anyway,we try to offer good-quality products as soon as possible.