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NiCr8020 (Cr20Ni80) Nickel-Chromium Nichrome Alloy Wire, 80% Nickel & 20% Chromium High Temperature Resistance Heating Wire, Used for Manufacturing Industrial Heating Elements
| Place of Origin | Shanghai |
|---|---|
| Brand Name | Huona |
| Certification | ISO9001, SGS, and so on |
| Model Number | NiCr8020 (Cr20Ni80) |
| Minimum Order Quantity | negotiation |
| Price | negotiation |
| Packaging Details | Spool + Carton + Wooden Case |
| Delivery Time | 7-20days |
| Payment Terms | L/C,T/T |
| Supply Ability | 100 Tons per year |
Product Details
| Tensile Strength | 600–900 MPa | Production Name | NiCr 80/20 Nickel Chromium Alloy Wire |
|---|---|---|---|
| Elongation | ≥20% | Hardness | 180 |
| Melting Point | 1400 | Micrographic Structure | Austenite |
| Density | 8.4 | Maximum Working Temperature | 1200 |
Product Description
1.Product Title
NiCr 80/20 Nickel Chromium Alloy Wire Ni80Cr20 Resistance Heating Wire for Industrial Furnaces
2.Product Introduction
NiCr 80/20 wire is a nickel-chromium resistance alloy containing approximately 80% nickel and 20% chromium. It offers excellent oxidation resistance, high-temperature strength, stable electrical resistivity and long service life. The wire is widely used as a heating element in industrial furnaces, electric heaters and thermal processing equipment.
3.Chemical Composition
| Element | Content (wt.%) |
|---|---|
| Ni | 80.0 Balance |
| Cr | 19.0–21.0 |
| C | ≤0.08 |
| Si | ≤0.75 |
| Mn | ≤1.0 |
| Fe | ≤1.0 |
| P | ≤0.02 |
| S | ≤0.015 |
4.Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 600–900 MPa |
| Elongation | ≥20% |
| Hardness | Approx. 150–220 HV |
| Density | Approx. 8.4 g/cm³ |
5.Physical Properties
| Property | Typical Value |
|---|---|
| Electrical Resistivity at 20°C | Approx. 1.09–1.15 μΩ·m |
| Maximum Working Temperature | Up to approx. 1200°C |
| Melting Point | Approx. 1400°C |
| Thermal Conductivity | Approx. 11–13 W/m·K |
| Specific Heat | Approx. 450–500 J/kg·K |
| Coefficient of Thermal Expansion | Approx. 18 × 10⁻⁶ /K |
6.Main Applications
- Industrial furnace heating elements
- Electric heating equipment
- Heat treatment furnaces
- Laboratory furnaces
- Ceramic and glass kilns
- Electric ovens and heaters
- Drying and heating equipment
- Air heaters and duct heaters
- Resistance heating coils and heating assemblies
7.Product Advantages
- Excellent oxidation resistance at elevated temperatures.
- Stable electrical resistivity, suitable for precision resistance heating.
- High-temperature strength and good resistance to deformation.
- Long service life under continuous heating conditions.
- Available in wire, coil and customized shapes according to customer requirements.
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