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High Performance Cr20Ni80 Nickel Chrome Heating Tape Strip for Electric
Our High Performance Cr20Ni80 Nickel Chrome Heating Tape Strip is a premium nichrome resistance heating material designed for demanding electric heating applications. Composed of 80% nickel and 20% chromium (Ni80Cr20), this flat heating tape offers exceptional electrical resistivity, outstanding oxidation resistance, and excellent form stability at high temperatures.
- Overview
- Specification
- Applications
- Key Engineering Advantages
- FAQs
- Recommended Products
- Maximum continuous operating temperature up to 1200°C in air
- Stable resistance with minimal deviation over time
- Strong oxidation and corrosion resistance through adherent chromium oxide layer
- Excellent mechanical stability under thermal cycling
- High Electrical Resistivity: Optimized nickel-chromium composition (Cr20Ni80 / Ni80Cr20) delivers efficient heat generation with stable resistance values.
- Flat Tape/Ribbon Design: Provides uniform heat distribution, faster response times, and easier winding or embedding compared to round wire.
- Excellent Form Stability: Maintains shape and performance under repeated thermal cycling and mechanical stress.
- Corrosion & Oxidation Resistance: Forms a protective oxide layer that prevents degradation in dry air and harsh environments.
Overview of Cr20Ni80 Nickel Chrome Heating Tape Strip:
The Cr20Ni80 Nickel Chrome Heating Tape Strip stands as a top-tier solution in the realm of resistance heating materials. This nichrome alloy strip combines high electrical resistivity with remarkable durability, making it perfect for continuous operation in high-temperature environments. Its flat ribbon design ensures efficient heat distribution and easy integration into various heating systems.
Key technical advantages include:
This high-performance heating tape is manufactured to precise tolerances for consistent quality across industrial and commercial electric heating projects.
Features of Cr20Ni80 Nickel Chrome Heating Tape Strip:
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
|---|---|---|---|---|---|---|---|
| composition | Ni | 90 | Rest | Rest | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
| Cr | 10 | 20.0～23.0 | 28.0～31.0 | 15.0～18.0 | 18.0～21.0 | 18.0～21.0 | |
| Fe | -- | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
| Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Density(g/cm3) | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Resistivity | -- | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | |
| Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Specific heat J/g.℃ | -- | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
| Thermal conductivity KJ/m.h℃ | -- | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Coefficient of lines expansion | -- | 18 | 17 | 17 | 19 | 19 | |
| Micrographic structure | -- | Austenite | Austenite | Austenite | Austenite | Austenite | |
| Magnetic properties | -- | Nonmagnetic | Nonmagnetic | Nonmagnetic | Nonmagnetic | Nonmagnetic |
| Attribute Name | Attribute Value |
|---|---|
|
Material Grade
|
Cr20Ni80 / Ni80Cr20 / Nichrome 80 (UNS N06003 / DIN 2.4869) |
|
Max Operating Temperature
|
1200°C (2192°F) Continuous in Air |
|
Electrical Resistivity
|
1.09 ± 0.05 μΩ·m at 20°C (655 Ω·cmf) |
|
Density & Melting Point
|
8.40 g/cm³ / Melting Point: 1400°C (2552°F) |
|
Available Dimensions
|
Thickness: 0.05mm - 5.0mm / Width: 0.5mm - 250mm |
|
Supply State & Surface
|
Bright Annealed / Pickled / Oxidized (Soft / Hard) |
|
Packaging Type
|
Precision Spool (DIN 100-355), Coil with Polybag, Wooden Case |
|
MOQ & Sample Policy
|
MOQ: 5 kg / Sample: 0.5 kg (Custom Test Coil Available) |
|
Production Capacity
|
1,200 Tons/Month / ISO 9001:2015 & MTC EN 10204 3.1 |
Applications of Cr20Ni80 Nickel Chrome Heating Tape Strip:
- Industrial Electric Furnaces: Reliable heating elements for heat treating, laboratory ovens, and high-temperature processing.
- Precision Resistors & Rheostats: Stable resistance wire for electrical components and load banks.
- Custom Heating Elements: Toasters, ovens, kilns, hot knives, 3D printer beds, and vacuum forming tools.
- Aerospace & Automotive: De-icing systems, sensor heaters, and high-reliability thermal management.
- Home & Industrial Appliances: Heating mats, cables, and specialty furnace components.
Key Engineering Advantages：
- Superior High-Temperature Oxidation Resistance: Forms a dense, highly adherent protective chromium oxide (Cr2O3) scale that resists spalling and degradation under frequent thermal cycling at temperatures up to 1200°C.
- Stable Electrical Resistance: Maintains tight resistivity stability across its working temperature range, preventing load fluctuations and extending furnace heating element operational life.
- High Hot-State Strength & Sag Resistance: Demonstrates high creep rupture strength at elevated temperatures, preventing element deformation, sagging, and short circuits in furnace channels.
- Excellent Formability & Ductility: Fully annealed soft material exhibits high elongation (≥20%), enabling tight bending, edge-winding, and stamping without micro-fractures.
- Uniform Heat Radiation: The wide, flat ribbon design optimizes direct radiation efficiency, lowering energy consumption and boosting thermal efficiency in industrial kilns and ovens.
FAQ on Cr20Ni80 Nickel Chrome Heating Tape Strip:
Q: What is Cr20Ni80 and why is it preferred for heating elements?
A: Cr20Ni80 (Nichrome 80/20 or Ni80Cr20) is a nickel-chromium alloy renowned for its high resistivity, excellent oxidation resistance, and stability at temperatures up to 1200°C, making it ideal for durable electric heating applications.
Q: What is the maximum operating temperature?
A: It supports continuous use up to 1200°C in dry air with proper design and ventilation.
Q: Can this heating tape be customized?
A: Yes. We offer various widths, thicknesses, and lengths tailored to your specific resistance and power requirements.
Q: Is it suitable for both industrial and home use?
A: Absolutely. Its reliability serves both heavy-duty industrial furnaces and everyday household appliances.
