Our Cr20Ni80 Nichrome bar, crafted with 80% nickel and 20% chromium, is a high-performance alloy built for the extreme demands of industrial furnace components. This bar delivers exceptional corrosion resistance, high-temperature stability up to 1200°C (2200°F), and outstanding durability. Its balanced electrical resistivity ensures consistent, efficient heating, making it a top choice for rugged furnace applications. We manufacture Cr20Ni80 bars with precision, ensuring uniform composition, high tensile strength, and reliable quality to meet the toughest industrial standards.
Industry Analysis
The industrial furnace market is thriving, driven by growth in metallurgy, ceramics, and glass manufacturing. Market trends show a CAGR of over 5.5% through 2030, fueled by demand for durable, energy-efficient components that can handle extreme heat. Sustainability is a big focus—our Cr20Ni80 bar helps reduce energy consumption while delivering top performance. As industries prioritize long-lasting equipment to cut maintenance costs, our high-quality Nichrome bar is a key player in keeping furnaces running smoothly in competitive markets.
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 at 20℃ (μΩ·m) | -- | 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 a×10-6/(20~1000℃) | -- | 18 | 17 | 17 | 19 | 19 | |
Micrographic structure | -- | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | -- | Non-magnetic | Non-magnetic | Non-magnetic | Weak magnetic | Weak magnetic | |
Shape | Size (mm) |
Wire | 0.05-7.5 |
Rod | 8-50 |
Ribbon | (0.05-0.35)*(0.5-6.0) |
Strip | (0.5-2.5)*(5-40) |
For more details, pls directly contact us.
Our Cr20Ni80 bar is a powerhouse for industrial furnaces but shines in other areas too:
Furnace Heating Elements: Provides reliable, high-temperature heating for industrial furnaces.
Kiln Components: Powers ceramic and glass kilns with consistent, durable performance.
Heat Treatment Systems: Supports precise heating for metal and alloy processing.
Industrial Ovens: Ensures efficient heat delivery for large-scale drying and curing.
Specialty Applications: Used in laboratory furnaces and advanced manufacturing processes.
Comparison with Other Materials
Here’s how Cr20Ni80 Nichrome bar compares to other common materials:
Parameter | Cr20Ni80 Nichrome | FeCrAl (Kanthal) | Copper | Stainless Steel |
|---|---|---|---|---|
Max Operating Temp (°C) | 1200 | 1400 | 200 | 800 |
Electrical Resistivity (μΩ·m) | 1.09-1.15 | 1.35-1.45 | 0.017 | 0.7-0.8 |
Corrosion Resistance | Excellent | Good | Poor | Moderate |
Tensile Strength (MPa) | 650-800 | 600-700 | 200-400 | 500-700 |
Oxidation Resistance | High (Cr oxide layer) | High | Low | Moderate |
Density (g/cm³) | 8.4 | 7.1 | 8.9 | 7.8 |
Cost Efficiency | High | Moderate | High | Moderate |
Furnace Suitability | Excellent | Good | Limited | Moderate |
Cr20Ni80’s excellent corrosion resistance and balanced resistivity make it ideal for furnace components, outperforming copper in high-temperature environments and offering better durability than stainless steel. While FeCrAl can handle slightly higher temperatures, our bar’s efficiency and reliability make it a top choice for industrial furnace applications.
Our Company’s Edge
Our Cr20Ni80 Nichrome bar is engineered for performance and longevity. We use high-purity nickel and chromium, ensuring every bar meets stringent industry standards. Our advanced manufacturing delivers uniform composition and consistent quality, reducing downtime and maintenance costs for your furnaces. Sustainability is a priority—our bar’s energy-efficient design lowers power consumption, aligning with eco-friendly industrial trends. With decades of expertise, we offer customized solutions, tailoring bar dimensions and properties to your needs. Our global supply chain ensures fast delivery, keeping your operations on track.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
Client Visits
Building Stronger Partnerships
We support all kinds of testing:
FAQs
Why is Cr20Ni80 Nichrome bar ideal for industrial furnaces?
Its high corrosion resistance and ability to handle 1200°C ensure reliable performance in extreme heat.How does Cr20Ni80 compare to other Nichrome alloys?
With 80% nickel, it offers a great balance of resistivity and durability for furnace applications.Can Cr20Ni80 be used beyond furnaces?
Yes, it’s versatile for kilns, heat treatment systems, and specialty manufacturing processes.How does your Cr20Ni80 ensure durability?
High-purity materials and precise manufacturing deliver consistent, long-lasting performance.What’s the max temperature Cr20Ni80 can withstand?
It performs reliably up to 1200°C (2200°F) without oxidizing or degrading.Is Cr20Ni80 eco-friendly?
Its low resistivity reduces energy use, supporting sustainable furnace operations.Do you offer custom Cr20Ni80 bar solutions?
We provide tailored dimensions and properties to meet your specific project needs.Why choose your Cr20Ni80 bar?
Our focus on quality, customization, and fast delivery ensures top performance for your furnace needs.