Ohmalloy Material Co.,Ltd
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Terminal bar Cr25Al5 dia 12mm, length 405mm thread M12
Product brief introduction
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
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 500 | 700 | 23 |
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 | |
| Temperature | 20℃ |
| J/gK | 0.46 |
| 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℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
| 1 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 | 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 |