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Golden Oxidized FeCrAl Heating Wire OCr21Al6Nb 3mm~8mm heating resistance wire for High Watt Tubular Coil Heater
(Common Name:0Cr21Al6Nb, A,Alloy 835)
OhmAlloy145 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature.It is suitable for use at temperatures up to 1250°C.
FeCrAl-0Cr21Al6Nb 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.
1) Normal Composition(%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.12 | 0.025 | 0.025 | 0.70 | Max 1.0 | 18.0~21.0 | Max 0.60 | 3.0~4.2 | Bal. | - |
2)Typical Mechanical Properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 550 | 750 | 22 |
3)Typical Physical Properties
| Density (g/cm3) | 7.1 |
| Electrical resistivity at 20ºC(Ωmm2/m) | 1.45 |
| Conductivity coefficient at 20ºC (WmK) | 13 |
| 4)Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 16 |
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
Other Popular FeCrAl alloy series: OCr15Al5,1Cr13Al4, 0Cr21Al4, 0Cr21Al6, 0Cr23Al5, 0Cr25Al5, 0Cr21Al6Nb,0Cr27Al7Mo2, and et
3. Application