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Fe-Cr-Al Resistance Heating Wire

Fe-Cr-Al Resistance Heating Wire HOT CORE industy makes and offer the high quality of FeCrAl resistance heating wires especially for the making of heating elements. And the most popular material is OCr23Al5 and OCr25Al5.

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Fe-Cr-Al Resistance Heating Wire

FeCrAl Resistance Heating Wire

HOT CORE industy makes and offer the high quality of FeCrAl resistance heating wires especially for the making of heating elements. And the most popular material is OCr23Al5 and OCr25Al5.
FeCrAl Electric Resistance Heating alloy wires made by HOT CORE industry with high electrical resistivity, temperature coefficient of resistance is small, high operating temperature. Superior antioxidant, high surface load, high corrosion resistance under high temperature, long service life, competitive price range, it is widely used in Various heating elements, such as household appliance heating elements, and other industrial appliance heating elements.

Technical Parameters of FeCrAl Electric Resistance Heating alloy wires:

Type OCr13Al4 0Cr25Al5 0Cr21Al6 0Cr23Al5 0Cr21Al4 0Cr21Al6Nb 0Cr27Al7Mo2
Main Cr 12.0-15.0 23.0-26.0 19.0-22.0 22.5-24.5 18.0-21.0 21.0-23.0 26.5-27.8
Chemical composition Al 4.0-6.0 4.5-6.5 5.0-7.0 4.2-5.3 3.0-4.2 5.0-7.0 6.0-7.0
Re opportune opportune opportune opportune opportune opportune opportune
Fe Rest Rest Rest Rest Rest Rest Rest
Maximal Temperature (°C) 950 1250 1250 1250 1100 1350 1400
Resistivity 20°C (10-6ohm*m) 1.25 1.42 1.42 1.35 1.23 1.45 1.53
Density(g/cm3) 7.4 7.1 7.16 7.25 7.35 7.1 7.1
Thermal conductivity (KJ/m*h*°C) 52.7 46.1 63.2 60.2 46.9 46.1 45.2
Extend strength (a*10-6/°C) 15.4 16 14.7 15 13.5 16 16
Melting point ( °C) 1450 1500 1500 1500 1500 1510 1520
Tensile strength(N/mm2) 588-735 630-780 637-780 630-780 637-784 650-800 680-830
Extension rate% >16 >12 >12 >12 >12 >12 >10
Section shrink rate (%) 65-75 60-75 65-75 65-75 65-75 65-75 65-75
Repeatedly bending frequency (F/R) >5 >5 >5 >5 >5 >5 >5
Specific heat J/g. 0.49 0.494 0.52 0.46 0.49 0.494 0.494
Linear expansion coefficient a×10-6/201000 15.4 16 14.7 15 13.5 16 16
hardness (H.B.) 200-260 200-260 200-260 200-260 200-260 200-260 200-260
Rapid life h/ ≥80/1250 ≥80/1300 ≥80/1300 ≥80/1300 ≥80/1350 ≥80/1350
Microstructure Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite Ferrite
Magnetism Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic Magnetic

Order Guide:
1- Wire material
2- Wire Diameter
3- Order quantity

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