Ohmalloy Material Co.,Ltd
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FeCrAl Wire Insulated Resistance Wire With Wraping Fiberglass / Mica Tape
Conductor material: FeCrAl
Heating cable structure
| Conductor size | 0.3mm |
| Insulation layer | wraping fiberglass and mica tape |
| OD of cable | 1.2mm |
Working temperature
| Long-term max standing temperature | 450℃ |
| Shor-term max standing temperature | 600℃ |
Remarks: The size can be changed if special requirement.
The thickness of insulation also can be adjusted by special requirement. We can do insulation thickness 0.2mm to 2.5mm
Available conductor alloy grade as follows:
| NiCr60/15 | CuNi44 | CuNi23 | OCr25Al5 | OCr21Al6 |
| Nickel 200 | Nickel 201 | Nickel 212 | Tinned copper wire | CuNi6 |
| CuNi10 | NiCr35/20 | NiCr AA | Inconel 600 | Inconel 625 |
Available color: Black, white, green, red, yellow, blue
Recognizing the need for more precisely controlled stranded wire within the heat treatment industry and working closely with our cable customers, OHMALLOY has developed a range of stranded resistance wire in FeCrAl, NiCr, NiMn and Pure Nickel.
These alloys possess the optimum properties for high performance at elevated temperature and in other adverse conditions where reliability and quality is of the paramount consideration
| Alloy | Nominal composition % | Resistivity | Max Temp | ||||
| Ni | Cr | Fe | Al | Mn | (Ωmm2/m) | ℃ | |
| NiCr80/20 | 80 | 20 | 1.09 | 1200 | |||
| NiCr60/15 | 60 | 16 | Bal | 1.11 | 1150 | ||
| OCr23Al5 | 22 | Bal | 4.8 | 1.35 | 1300 | ||
| OCr20Al5 | 22 | Bal | 5.3 | 1.39 | 1300 | ||
| Pure Nickel | 99.6 | 0.09 | |||||
| NiMn2 | 98 | 2 | 0.11 | ||||
Standard stranding size
| Alloy | Nominal OD | No of strands | King wire size | Resistance | Length |
| mm | mm | Ω/m | m/kg | ||
| NiCr80/20 | 2.7 | 19*0.523 | 0.574 | 0.285 | 29 |
| NiCr60/15 | 2.76 | 19*0.523 | 0.574 | 0.29 | 30 |
| NiCr80/20 | 2.76 | 37*0.385 | 0.45 | 0.279 | 28 |
| Nickel | 2.87 | 19*0.574 | 0.574 | 0.0198 | 21 |
| NiMn2 | 2.87 | 19*0.574 | 0.71 | 0.0234 | 22 |
Other size stranding wire dimension and configuration can be supplied based on client’s special request.