Heating Cr20Ni80 Element 3000W AC 220V Resistance Coil Nichrome Resistance Wire For Furnace
| Attribute | Details | Attribute | Details |
| Product Name | Cr20Ni80 Heating Element | Purity | 78% Ni |
| Alloy | NiCr Alloy | Type | Nickel Coil |
| Density | 8.4 g/cm³ | Elongation | ≥20% |
| Delivery Time | 7 Working Days | Max Continuous
Operating Temperature | 1200°C |
| Technique | Cold Drawing | Treatment | Hydrogen Annealing |
| Surface | Bright, Acid White,
Oxidation | Condition | Soft Annealed |
| MOQ | 3kg | Transport Package | Carton or
Wooden Case |
| Specification | 0.018-8mm | Trademark | HUONA |
| Origin | China | HS Code | 7506100000 |
| Production Capacity | 100 Tons/Month |
|
The material NiCr8020 with the material number 2.4869 is applied in the form of strips, sheets, tubes and wires for furnace
construction components and heating conductors. This is a unique nickel-chromium heating conductor alloy, engineered to function optimally at operating temperatures
reaching up to 1150 °C. Distinctively, it often incorporates additives of rare earth elements. These additives significantly
enhance its oxidation resistance, particularly in scenarios involving frequent on-off switching operations or substantial
temperature fluctuations.
Exhibiting remarkable atmospheric corrosion resistance at 20 °C, this alloy maintains a high level of resistance to air
and various oxygen-rich gases throughout its operational temperature range. It also demonstrates excellent resistance
to nitrogen-based low-oxygen gases. However, it shows relatively low resistance when exposed to both oxidizing
and reducing gases that contain sulfur.
| Chemical Composition and Propertes: |
|
| Propertes/Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 |
|
| Main Chemical Composition(%) | Ni | Bal. | Bal. | 55.0-61.0 |
|
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 |
|
| Fe | ≤ 1.0 | ≤ 1.0 | Bal. |
|
| Max Working Temperature(ºC) | 1200 | 1250 | 1150 |
|
| Resistivity at 20ºC(μ Ω · m) | 1.09 | 1.18 | 1.12 |
|
| Density(g/cm3) | 8.4 | 8.1 | 8.2 |
|
| Thermal Conductivity(KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 |
|
| Coefficient of Thermal Expansion(α × 10-6/ºC) | 18 | 17 | 17 |
|
| Melting Point(ºC) | 1400 | 1380 | 1390 |
|
| Elongation(%) | > 20 | > 20 | > 20 |
|
| Micrographic Structure | austenite | austenite | austenite |
|
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic |
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| Propertes/Grade | NiCr 35/20 | NiCr 30/20 | Karma | Evanohm |
| Main Chemical | Ni | 34.0-37.0 | 30.0-34.0 | Bal | Bal |
| Composition(%) | Cr | 18.0-21.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 |
| Fe | Bal. | Bal. | 2.0-3.0 | - |
| Max Working Temperature(ºC) | 1100 | 1100 | 300 | 1400 |
| Resistivity at 20ºC | 1.04 | 1.04 | 1.33 | 1.33 |
| (μ Ω · m) |
| Density(g/cm3) | 7.9 | 7.9 | 8.1 | 8.1 |
| Thermal Conductivity | 43.8 | 43.8 | 46 | 46 |
| (KJ/m· h· ºC) |
| Coefficient of Thermal | 19 | 19 | - | - |
| Expansion(α × 10-6/ºC) |
| Melting Point(ºC) | 1390 | 1390 | 1400 | 1400 |
| Elongation(%) | > 20 | > 20 | > 20 | > 20 |
| Micrographic Structure | austenite | austenite | austenite | austenite |
| Magnetic Property | nonmagnetic | nonmagnetic | nonmagnetic | nonmagnetic |
Typical Mechanical properties(1.0mm)
- Elongation: 30%
- Yield Strength: 420Mpa
- Tensile Strength: 810Mpa
| Chemical Composition | Nickel 80%, Chrome 20% |
| Condition | Bright/Acid white/Oxidied Color |
| Diameter | 0.018mm~1.6mm in spool, 1.5mm-8mm packing in coil, 8~60mm in rod |
| Nichrome Round Wire | Diameter 0.018mm~10mm |
| Nichrome Ribbon | Width 5~0.5mm, thickness 0.01-2mm |
| Nichrome Strip | Width 450mm~1mm, thickness 0.001m~7mm |
| Diameter | 1.5mm-8mm packing in coil, 8~60mm in rod |
| Grade | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, |
| Ni30Cr20 Ni80, Ni70,Ni60, Ni40, |
| Advantage | The metallurgical structure of nichrome |
| confers them a very good plasticity when cold. |
| Characteristics | Stable performance; Anti-oxidation; Corrosion resistance; |
| High temperature stability; Excellent coilforming ability; |
| Uniform and beautiful surface condition without spots. |
| Usage | Resistance heating elements;Material in metallurgy, |
| Household appliances;Mechanical manufacturing and |
| other industries. |
| Resistance Wires |
| RW30 | W.Nr 1.4864 | Nickel 37%, Chrome 18%, Iron 45% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Nickel 45%, Copper 55% |
| RW60 | W.Nr 2.4867 | Nickel 60%, Chrome 16%, Iron 24% |
| RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, Iron 24% |
| RW80 | W.Nr 2.4869 | Nickel 80%, Chrome 20% |
| RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Iron BAL, Chrome 19%, Aluminium 3% |
| RW145 | W.Nr 1.4767 | Iron BAL, Chrome 20%, Aluminium 5% |
| RW155 |
| Iron BAL, Chrome 27%, Aluminium 7%, Molybdenum 2% |
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