Ohmalloy Material Co.,Ltd
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Oxidized Surface 0Cr21Al6Nb Resistance Heating Wire , Heat Resistant Electrical Wire
OhmAlloy145
(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.
Typical applications for OhmAlloy145 are used in industrial electric furnace, household electrical appliance and far infrared ray device.
Normal composition%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.05 | 0.025 | 0.025 | 0.70 | Max 0.6 | 21.0~23.0 | Max 0.60 | 5.0~7.0 | Bal. | Nb 0.5 |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 550 | 725 | 22 |
Typical Physical properties
| Density (g/cm3) | 7.10 |
| Electrical resistivity at 20℃(Ωmm2/m) | 1.45 |
| Conductivity coefficient at 20℃ (WmK) | 13 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/℃ |
| 20 ℃- 1000℃ | 16 |
| Specific heat capacity | |
| Temperature | 20℃ |
| J/gK | 0.49 |
| Melting point (℃) | 1510 |
| Max continuous operating temperature in air (℃) | 1350 |
| Magnetic properties | non-magnetic |
Temperature Factor of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ |
| 1 | 0.997 | 0.996 | 0.994 | 0.991 | 0.990 | 0.990 | 0.990 | 0.990 | 0.990 | 0.990 | 0.990 |
Style of supply
| Alloys Name | Type | Dimension | ||
| OhmAlloy145W | Wire | D=0.03mm~8mm | ||
| OhmAlloy145R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| OhmAlloy145S | Strip | W=8~250mm | T=0.1~3.0 | |
| OhmAlloy145F | Foil | W=6~120mm | T=0.003~0.1 | |
| OhmAlloy145B | Bar | Dia=8~100mm | L=50~1000 | |
Sales Manager:Michaeal Qiu.
What's App:+86 13795230939
Tel:+86-21-66796338 Mobile Phone: +86 13795230939