| Categories | Insulated Resistance Wire |
|---|---|
| Brand Name: | OHMALLOY |
| Model Number: | Nichrome electric heating cable |
| Certification: | ISO9001 |
| Place of Origin: | CHINA |
| MOQ: | 1000meter |
| Price: | USD0.69/m |
| Payment Terms: | L/C, T/T, |
| Supply Ability: | 20000m/week |
| Delivery Time: | 3-5workdays |
| Packaging Details: | coil |
| Shape: | wire |
| Application: | electric heating cable / insulated wire |
| Conductor: | Ni80Cr20 |
| Insulation: | fiberglass |
| Melting point: | 1380~1400 ℃ |
| Dimensions: | 0.25mm*3.1mm |
| Resistivity: | 1.09 |
| Density: | 8.4g/cm3 |
0.25mm*3.10mm flat Nichrome heating cable / insulated heating element flat wire with fiber glass
Insulation material: Fiberglass
| Long-term max standing temperature | 600℃ |
| Shor-term max standingtemperature | 650℃ |
Conductor: Ni80Cr20/ Ni60Cr15
Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by
high resistivity, good oxidation resistance and very good form
stability. It is suitable for use at temperatures up to 1200°C,and
hold a superior service life compared to Iron chromium alumium alloys.
Typical applications for Ni80Cr20 are electric heating elements in
home appliances,industrial furnaces and resistors(wirewound resistors,metal film resistors), flat irons,
ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and
cartridge elements.
1) Normal Composition(%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75-1.60 | 20.0~23.0 | Bal | Max 0.5 | Max1.0 | - |
2)Typical Mechanical Properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 420 | 810 | 30 |
3)Typical Physical Properties
| Density (g/cm3) | 8.40 |
| Electrical resistivity at 20ºC(Ωmm2/m) | 1.09 |
| Conductivity coefficient at 20ºC (WmK) | 15 |
| 4)Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 18 |
| 5)Specific heat capacity | |
| Temperature | 20ºC |
| J/gK | 0.46 |
| Melting point (ºC) | 1400 |
| Max continuous operating temperature in air (ºC) | 1200 |
| Magnetic properties | non-magnetic |
6)Temperature Factor of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 | 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Size and resistance value (Normal)
| Dia of NiCr80/20 | Resistance value (Ω/m) | Thickness of insulation | OD of cable |
| 0.2mm | 34.7 | 0.3mm | 0.7mm |
| 0.5mm | 5.55 | 0.35mm | 1.2mm |
| 0.8mm | 2.16 | 0.35mm | 1.5mm |
| 1.0mm | 1.38 | 0.40mm | 1.8mm |
| 1.2mm | 0.965 | 0.45mm | 2.1mm |
| 1.5mm | 0.617 | 0.50mm | 2.5mm |
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: white, brown so on
|
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