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Cr20Ni35 Oxidation Resistant Nichrome Strip for Ceramic Kilns
Enhance your ceramic kiln performance with our Cr20Ni35 Oxidation Resistant Nichrome Strip. This high-quality nickel-chromium-iron alloy strip delivers reliable resistance heating, outstanding oxidation protection, and durability in high-temperature environments up to 1100°C+. Perfect for professional potters, industrial ceramic manufacturers, and custom kiln builders seeking consistent, efficient thermal performance.
- Overview
- Specification
- Applications
- FAQs
- Recommended Products
- Superior Oxidation Resistance: Forms a stable chromium oxide protective layer, enabling continuous operation in oxidizing atmospheres typical of ceramic kilns.
- High Electrical Resistivity: Optimized for efficient resistance heating with consistent performance across wide temperature ranges.
- Excellent Form Stability & Ductility: Easy to wind, shape, or fabricate into custom heating elements without cracking.
- High-Temperature Durability: Reliable up to 1050–1100°C+ in suitable conditions, with strong hot strength and minimal scaling.
- Corrosion & Thermal Shock Resistance: Withstands repeated heating-cooling cycles common in kiln firings.
- Premium Flat Strip Design: Increased surface area for better heat transfer compared to round wire in certain kiln configurations.
Overview of Cr20Ni35 Oxidation Resistant Nichrome Strip:
Our Cr20Ni35 Nichrome Strip is a premium nickel-chromium resistance alloy designed specifically for oxidation-resistant heating elements in ceramic kilns and high-temperature furnaces. With approximately 35% nickel and 20% chromium content, this flat nichrome ribbon combines excellent electrical resistivity, mechanical strength, and a protective chromium oxide layer that prevents rapid degradation even under prolonged high-heat exposure.
Ideal for electric kiln heating elements, this nichrome strip offers superior form stability, ductility for easy shaping into coils or ribbons, and reliable performance in ceramic firing processes. Whether for hobbyist studios or industrial production kilns, it ensures uniform heat distribution and extended
Features of Cr20Ni35 Oxidation Resistant Nichrome 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 |
Applications of Cr20Ni35 Oxidation Resistant Nichrome 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.
FAQ on Cr20Ni35 Oxidation Resistant Nichrome Strip:
Q1: What is the maximum operating temperature for Cr20Ni35 Nichrome Strip?
A: It performs reliably in continuous use up to approximately 1050–1100°C in oxidizing atmospheres, making it ideal for most ceramic kiln firings.
Q2: How does this nichrome strip compare to Nichrome 80/20?
A: Cr20Ni35 (Ni35Cr20) offers good formability and strength with iron content, while Ni80Cr20 provides slightly higher resistivity. Both excel in oxidation resistance for kiln use.
Q3: Is this strip suitable for custom coil winding?
A: Yes, its excellent ductility allows easy forming into coils, ribbons, or custom shapes for precise kiln element design.
Q4: What thickness/width options are available?
A: Common flat strip dimensions vary; contact us for standard sizes optimized for ceramic kiln elements
