Our Cr30Ni70 Nichrome Strip , composed of 70% nickel and 30% chromium, is a high-performance alloy engineered for the intense demands of furnace and kiln applications. This strip offers outstanding corrosion resistance, high-temperature stability up to 1150°C (2100°F), and exceptional durability. With its low electrical resistivity and robust oxidation resistance, it’s built to deliver consistent, reliable heating in the toughest industrial settings. We manufacture Cr30Ni70 strips with precision, ensuring uniform thickness, high tensile strength, and top-tier quality to meet the needs of heavy-duty heating systems.
Industry Analysis
The industrial furnace and kiln market is heating up, driven by growth in metallurgy, ceramics, and glass production. Industry forecasts show a CAGR of over 5% through 2030, fueled by demand for energy-efficient and durable heating solutions. Sustainability is a major focus—our Cr30Ni70 strip helps reduce energy consumption while maintaining peak performance. As industries prioritize longer-lasting equipment to cut maintenance costs, our high-quality Nichrome strip is a critical component for staying competitive in high-temperature processing environments.
Applications of Cr30Ni70 Nichrome Strip
Our Cr30Ni70 strip is a cornerstone for furnace and kiln applications but also shines in other areas:
Furnace Heating Elements: Delivers consistent, high-temperature performance for industrial furnaces.
Kiln Systems: Powers ceramic and glass kilns with reliable, uniform heating.
Heat Treatment Processes: Supports precise heating for metal and alloy processing.
Industrial Ovens: Ensures efficient heating for drying and curing applications.
Specialty Applications: Used in advanced manufacturing and laboratory heating systems.
Comparison with Other Materials
Here’s how Cr30Ni70 Nichrome strip compares to other common materials:
Parameter | Cr30Ni70 Nichrome | FeCrAl (Kanthal) | Copper | Stainless Steel |
|---|---|---|---|---|
Max Operating Temp (°C) | 1150 | 1400 | 200 | 800 |
Electrical Resistivity (μΩ·m) | 1.18-1.25 | 1.35-1.45 | 0.017 | 0.7-0.8 |
Corrosion Resistance | Excellent | Good | Poor | Moderate |
Tensile Strength (MPa) | 600-750 | 600-700 | 200-400 | 500-700 |
Oxidation Resistance | High | High | Low | Moderate |
Density (g/cm³) | 8.1 | 7.1 | 8.9 | 7.8 |
Cost Efficiency | High | Moderate | High | Moderate |
Furnace/Kiln Suitability | Excellent | Good | Limited | Moderate |
Cr30Ni70’s excellent corrosion resistance and balanced resistivity make it a top choice for furnace and kiln applications, outperforming copper in high-temperature environments and offering better durability than stainless steel. While FeCrAl can handle slightly higher temperatures, our strip’s superior corrosion resistance and efficiency make it ideal for demanding heating systems.
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 Cr30Ni70 Nichrome strip is designed for unmatched performance and longevity. We use high-purity nickel and chromium, ensuring every strip meets rigorous industry standards. Our advanced manufacturing process delivers uniform thickness and consistent quality, reducing downtime and maintenance costs for your furnaces and kilns. Sustainability is a priority—our strip’s energy-efficient design lowers power consumption, aligning with eco-friendly industrial trends. With years of expertise, we offer customized solutions, tailoring strip dimensions and properties to your specific needs. Our global supply chain ensures fast, reliable delivery, keeping your operations running smoothly.
Why Choose Us for Your Furnace and Kiln Needs?
Our Cr30Ni70 Nichrome strip is built to keep your furnaces and kilns running strong and efficient. Its durability, corrosion resistance, and energy efficiency make it a standout for high-temperature applications. Whether you’re processing metals or firing ceramics, our strip delivers the reliability you need. Ready to power up your operations? Let’s connect to find the perfect Cr30Ni70 solution for you.
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. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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FAQs
Why is Cr30Ni70 Nichrome strip ideal for furnaces and kilns?
Its high corrosion resistance and ability to handle 1150°C ensure reliable performance in extreme heat.How does Cr30Ni70 compare to other Nichrome alloys?
With 30% chromium, it offers superior corrosion resistance, perfect for furnace and kiln environments.Can Cr30Ni70 be used outside furnace applications?
Yes, it’s versatile for heat treatment, industrial ovens, and specialty heating systems.How does your Cr30Ni70 ensure durability?
High-purity materials and precise manufacturing deliver consistent, long-lasting performance.What’s the max temperature Cr30Ni70 can withstand?
It performs reliably up to 1150°C (2100°F) without oxidizing or degrading.Is Cr30Ni70 eco-friendly?
Its low resistivity reduces energy use, supporting sustainable furnace operations.Do you offer custom Cr30Ni70 strip solutions?
We provide tailored dimensions and properties to meet your specific project requirements.Why choose your Cr30Ni70 strip?
Our focus on quality, customization, and fast delivery ensures top performance for your heating needs.