Description
FeCrAl 140 - is a ferritic iron-chromium-aluminium alloy (Cr content is around 22%) suitable for temperature applications up to 1300°C.
This alloy is characterized by excellent heat resistance and high resistivity. FeCrAl 140 is used in high-temperature industrial furnaces in the heat treating of ceramics, glass and steel; radiant heaters (quartz tube), ceramic kilns, etc.
Сhemical composition
Nom composition % | C | Si | Mn | Fe | Cr | Al | Ti |
min | - | - | - | Bal |
21.00 | 5.00 | - |
max | 0.03 | 0.60 | 0.50 | 22.00 | 5.50 | 0.20 |
Physical properties
Density, g/cm3 | 7.10 | |
Resistivity at 20°C, ῼ mm2/m | 1.40 | |
Thermal conductivity at 20°C, W/mk | 13.00 | |
Melting point, °C | 1500 | |
Max operating temperature, °C | 1300 | |
Creep strength, MPa | 600°C | 40.00 |
800°C | 15.00 | |
1000°C | 6.00 | |
1200°C | 1.00 | |
Magnetic properties | magnetic |
Delivery programm
Wire: (D) 0.02 - 12.00 mm
Flat wire: (TK) 0.05 - 0.20 mm / (W) 2.00 - 5.00 mm
Strip: (TK) 0.05 - 5.00 mm / (W) 5.00 - 250.00 mm
Equivalents
W.N: 1.4767; UNS: K92500; GOST: X23Ю5
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Resistance Alloy - FeCrAl 140 (X23Ю5)
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