Our 0Cr21Al6Nb FeCrAl strip, an iron-chromium-aluminum alloy with 21% chromium, 6% aluminum, and niobium, is a high-performance material engineered for advanced heat treatment furnaces. This strip offers superior oxidation resistance, stability at temperatures up to 1350°C (2462°F), and exceptional durability. Its high resistivity ensures efficient, consistent heating, making it perfect for demanding furnace applications. We manufacture 0Cr21Al6Nb strips with precision, delivering uniform thickness, high tensile strength, and top-tier quality to meet the rigorous needs of heat treatment industries.
Industry Analysis
The heat treatment furnace market is thriving, driven by demand in aerospace, automotive, and metalworking sectors. Market data projects a CAGR of over 5.5% through 2030, fueled by the need for high-temperature, reliable heating solutions. Sustainability and energy efficiency are key trends, with industries seeking materials that reduce power consumption and maintenance costs. Our 0Cr21Al6Nb strip excels in this space, offering long-lasting performance and efficiency in extreme heat. As manufacturers aim to optimize operations and meet strict standards, our strip is a critical component for staying competitive.
Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Chemical Compostion (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
-- | -- | -- | -- | -- | -- | -- | ||
Max.Continuous service temp. of element | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resistivity at 20C(μΩ.m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Density(g/cm) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Thermal Conductivity(KJ/m.h) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | -- | |
Coefficient of lines expansion(αx10-6/℃) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
Melting Point Approx(degree) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Tensile Strength(N/mm) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongation at rupture(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Repeat Bending frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
Hardness(H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
continuous service time(Hours/ ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥80/1350 | ≥80/1350 | |
Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | 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)*(5-180) |
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Our 0Cr21Al6Nb strip is a powerhouse for heat treatment furnaces but versatile enough for other uses:
Heat Treatment Furnaces: Powers precise, high-temperature heating for metal hardening and tempering.
Ceramic Kilns: Delivers reliable heating for advanced ceramic production.
Industrial Ovens: Ensures consistent performance for high-temperature processing.
Furnace Components: Supports stable heating elements in industrial systems.
Specialty Applications: Used in laboratory furnaces and advanced manufacturing processes.
Comparison with Other Materials
Here’s how 0Cr21Al6Nb FeCrAl strip compares to other common materials:
Parameter | 0Cr21Al6Nb FeCrAl | Nichrome (Cr20Ni80) | Copper | Stainless Steel |
|---|---|---|---|---|
Max Operating Temp (°C) | 1350 | 1200 | 200 | 800 |
Electrical Resistivity (μΩ·m) | 1.40-1.50 | 1.09-1.15 | 0.017 | 0.7-0.8 |
Corrosion Resistance | Good | Excellent | Poor | Moderate |
Tensile Strength (MPa) | 650-750 | 650-800 | 200-400 | 500-700 |
Oxidation Resistance | Very High | High (Cr oxide layer) | Low | Moderate |
Density (g/cm³) | 7.1 | 8.4 | 8.9 | 7.8 |
Cost Efficiency | Moderate | High | High | Moderate |
Heat Treatment Suitability | Excellent | Good | Limited | Moderate |
0Cr21Al6Nb’s high temperature tolerance and enhanced oxidation resistance, thanks to niobium, make it ideal for heat treatment furnaces, outperforming copper in extreme heat and offering better thermal stability than stainless steel. While Nichrome has superior corrosion resistance, our strip’s ability to handle higher temperatures and added durability make it a top choice for advanced furnace applications.
Our Company’s Edge
Our 0Cr21Al6Nb FeCrAl strip is engineered for superior performance and longevity. We use high-purity materials, including niobium, to ensure every strip meets stringent industry standards. Our advanced manufacturing delivers uniform thickness and consistent quality, minimizing downtime and maintenance costs for your furnaces. Sustainability is a core focus—our strip’s energy-efficient design reduces power consumption, aligning with eco-friendly trends. With decades of expertise, we offer customized solutions, tailoring strip dimensions and properties to your needs. Our global supply chain ensures fast delivery, keeping your operations running smoothly.
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.
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FAQs
Why is 0Cr21Al6Nb FeCrAl strip ideal for heat treatment furnaces?
Its high oxidation resistance and ability to handle 1350°C ensure reliable performance in extreme heat.How does 0Cr21Al6Nb compare to other FeCrAl alloys?
With niobium, it offers enhanced durability and temperature tolerance for advanced furnace applications.Can 0Cr21Al6Nb be used beyond heat treatment furnaces?
Yes, it’s versatile for kilns, industrial ovens, and specialty manufacturing processes.How does your 0Cr21Al6Nb ensure durability?
High-purity materials and precise manufacturing deliver consistent, long-lasting performance.What’s the max temperature 0Cr21Al6Nb can handle?
It performs reliably up to 1350°C (2462°F) without oxidizing or degrading.Is 0Cr21Al6Nb eco-friendly?
Its efficient design reduces energy use, supporting sustainable furnace operations.Do you offer custom 0Cr21Al6Nb strip solutions?
We provide tailored dimensions and properties to meet your specific project needs.Why choose your 0Cr21Al6Nb strip?
Our focus on quality, customization, and fast delivery ensures top performance for your furnace needs.
Why Choose Us for Your Heat Treatment Furnace Needs?
Our 0Cr21Al6Nb FeCrAl strip is designed to keep your heat treatment furnaces running strong and efficient in extreme conditions. Whether you’re hardening metals or processing advanced materials, our strip delivers the durability and performance you need to stay competitive. Ready to power up your operations? Let’s connect to find the perfect 0Cr21Al6Nb solution for your project.