1.6mm Electric Furnace Wire For Industrial Heater , FeCrAl High
Temp Alloys
OhmAlloy142B
(Common Name:0Cr25Al5,Aluchrom-O)
OhmAlloy142B 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.
Typical applications for OhmAlloy142B are used in electric ceramic
cooktop,industrial furnace,heaters.
Normal composition%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max |
| 0.06 | 0.025 | 0.025 | 0.70 | Max 0.60 | 23.0~26.0 | Max 0.60 | 4.5~6.5 | Bal. | - |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 500 | 700 | 23 |
Photo of Heater
Typical Physical properties
| Density (g/cm3) | 7.10 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.42 |
| Conductivity coefficient at 20℃ (WmK) | 13 |
| Coefficient of thermal expansion |
| Temperature | Coefficient of Thermal Expansion x10-6/℃ |
| 20 ℃- 1000℃ | 15 |
Specific Heat Capacity
1, Temperature 20℃
2, J/gK 0.46
3, Melting point (℃) 1500
4, Max continuous operating temperature in air (℃) 1250
5, Magnetic properties non-magnetic
| Melting point (℃) | 1500 |
| Max continuous operating temperature in air (℃) | 1250 |
| Magnetic properties | non-magnetic |
Temperature Factor of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
| 1 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 | 1.030 | 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 | |
Style of supply
| Alloys Name | Type | Dimension |
| OhmAlloy142BW | Wire | D=0.03mm~8mm |
| OhmAlloy142BR | Ribbon | W=0.4~40 | T=0.03~2.9mm |
| OhmAlloy142BS | Strip | W=8~250mm | T=0.1~3.0 |
| OhmAlloy142BF | Foil | W=6~120mm | T=0.003~0.1 |
| OhmAlloy142BB | Bar | Dia=8~100mm | L=50~1000 |
