Our 0Cr21Al6 FeCrAl bar, an iron-chromium-aluminum alloy with 21% chromium and 6% aluminum, is a high-performance material built for ceramic kiln heating. This bar delivers outstanding oxidation resistance, stability at temperatures up to 1300°C (2372°F), and reliable electrical performance. Its high resistivity ensures efficient, consistent heating, making it perfect for demanding kiln applications. We craft 0Cr21Al6 bars with precision, ensuring uniform composition, high tensile strength, and top-tier quality to meet the rigorous needs of the ceramics industry.
Industry Analysis
The ceramic kiln market is firing up, driven by demand in pottery, tile manufacturing, and advanced ceramics for electronics and aerospace. Market data projects a CAGR of over 4.9% through 2030, fueled by the need for high-temperature, durable heating solutions. Energy efficiency and sustainability are major trends, and our 0Cr21Al6 bar shines with its low power consumption and long-lasting performance. As manufacturers aim to cut maintenance costs and boost productivity, our bar is a key component for keeping kilns competitive in high-heat environments.
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 0Cr21Al6 bar is a star for ceramic kiln heating but versatile enough for other uses:
Ceramic Kiln Heating Elements: Powers consistent, high-temperature heating for pottery and tile production.
Industrial Furnaces: Delivers reliable heating for metal and material processing.
Heat Treatment Systems: Supports precise heating for industrial applications.
Laboratory Kilns: Ensures stable performance for research and testing processes.
Specialty Applications: Used in advanced manufacturing like high-temperature ceramics and composites.
Comparison with Other Materials
Here’s how 0Cr21Al6 FeCrAl bar compares to other common materials:
Parameter | 0Cr21Al6 FeCrAl | Nichrome (Cr20Ni80) | Copper | Stainless Steel |
|---|---|---|---|---|
Max Operating Temp (°C) | 1300 | 1200 | 200 | 800 |
Electrical Resistivity (μΩ·m) | 1.35-1.45 | 1.09-1.15 | 0.017 | 0.7-0.8 |
Corrosion Resistance | Good | Excellent | Poor | Moderate |
Tensile Strength (MPa) | 600-700 | 650-800 | 200-400 | 500-700 |
Oxidation Resistance | High | High (Cr oxide layer) | Low | Moderate |
Density (g/cm³) | 7.1 | 8.4 | 8.9 | 7.8 |
Cost Efficiency | Moderate | High | High | Moderate |
Kiln Heating Suitability | Excellent | Good | Limited | Moderate |
0Cr21Al6’s high temperature tolerance and oxidation resistance make it ideal for ceramic kiln heating, outperforming copper in extreme heat and offering better thermal stability than stainless steel. While Nichrome has superior corrosion resistance, our bar’s ability to handle higher temperatures makes it a top choice for kiln applications.
Our Company’s Edge
Our 0Cr21Al6 FeCrAl bar is engineered for performance and reliability. We use high-purity materials, ensuring every bar meets stringent industry standards. Our advanced manufacturing delivers uniform composition and consistent quality, reducing downtime and maintenance costs for your kilns. Sustainability is a core focus—our bar’s energy-efficient design minimizes power consumption, aligning with eco-friendly 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 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 0Cr21Al6 FeCrAl bar ideal for ceramic kilns?
Its high oxidation resistance and ability to handle 1300°C ensure reliable performance in extreme heat.How does 0Cr21Al6 compare to other FeCrAl alloys?
With 21% chromium and 6% aluminum, it offers superior temperature tolerance for kiln heating.Can 0Cr21Al6 be used beyond ceramic kilns?
Yes, it’s versatile for furnaces, heat treatment systems, and specialty manufacturing.How does your 0Cr21Al6 ensure durability?
High-purity materials and precise manufacturing deliver consistent, long-lasting performance.What’s the max temperature 0Cr21Al6 can handle?
It performs reliably up to 1300°C (2372°F) without oxidizing or degrading.Is 0Cr21Al6 eco-friendly?
Its efficient design reduces energy use, supporting sustainable kiln operations.Do you offer custom 0Cr21Al6 bar solutions?
We provide tailored dimensions and properties to meet your specific project needs.Why choose your 0Cr21Al6 bar?
Our focus on quality, customization, and fast delivery ensures top performance for your kiln needs.
Why Choose Us for Your Ceramic Kiln Needs?
Our 0Cr21Al6 FeCrAl bar is designed to keep your ceramic kilns firing strong and efficient. Whether you’re crafting pottery or producing advanced ceramics, our bar delivers the durability and performance you need to stay competitive. Ready to heat things up? Let’s connect to find the perfect 0Cr21Al6 solution for your project.