Our 0Cr21Al4 FeCrAl wire, an iron-chromium-aluminum alloy with 21% chromium and 4% aluminum, is a high-performance material designed for cost-effective electrical resistance heating. This wire offers excellent oxidation resistance, stability at temperatures up to 1100°C (2012°F), and reliable electrical performance. Its high resistivity and durability make it a budget-friendly choice for efficient heating systems. We manufacture 0Cr21Al4 wire with precision, ensuring uniform composition, high tensile strength, and consistent quality to meet the demands of various heating applications.
Industry Analysis
The electrical resistance heating market is growing steadily, driven by demand in industrial manufacturing, HVAC systems, and consumer appliances. Market data projects a CAGR of over 5.2% through 2030, fueled by the need for cost-effective, energy-efficient heating solutions. Our 0Cr21Al4 wire stands out for its affordability and performance, aligning with the industry’s focus on sustainability and reduced operational costs. As manufacturers seek reliable, budget-conscious materials, our wire is a key player in keeping heating systems competitive and eco-friendly.
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 0Cr21Al4 wire is a top pick for electrical resistance heating but versatile enough for other uses:
Resistance Heating Elements: Powers efficient heaters for industrial ovens and HVAC systems.
Consumer Appliances: Provides reliable heating for toasters, kettles, and space heaters.
Industrial Dryers: Delivers consistent heat for drying processes in manufacturing.
Resistors: Supports stable resistance for electronic controls in heating systems.
Specialty Applications: Used in laboratory heaters and precision manufacturing processes.
Comparison with Other Materials
Here’s how 0Cr21Al4 FeCrAl wire compares to other common materials:
Parameter | 0Cr21Al4 FeCrAl | Nichrome (Cr20Ni80) | Copper | Stainless Steel |
|---|---|---|---|---|
Max Operating Temp (°C) | 1100 | 1200 | 200 | 800 |
Electrical Resistivity (μΩ·m) | 1.30-1.40 | 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) | 7.2 | 8.4 | 8.9 | 7.8 |
Cost Efficiency | High | High | High | Moderate |
Resistance Heating Suitability | Excellent | Good | Limited | Moderate |
0Cr21Al4’s high resistivity and cost-effective performance make it ideal for electrical resistance heating, outperforming copper in high-temperature settings and offering better thermal stability than stainless steel. While Nichrome has superior corrosion resistance, our wire’s affordability and efficiency make it a top choice for budget-conscious heating applications.
Our Company’s Edge
Our 0Cr21Al4 FeCrAl wire is engineered for cost-efficiency and reliability. We use high-purity materials, ensuring every wire meets strict industry standards. Our advanced manufacturing delivers uniform composition and consistent quality, reducing maintenance costs and extending system lifespan. Sustainability is a core focus—our wire’s energy-efficient design minimizes power consumption, aligning with eco-friendly trends. With decades of expertise, we offer customized solutions, tailoring wire gauges and properties to your needs. Our global supply chain ensures fast delivery, keeping your production lines moving.
Why Choose Us for Your Resistance Heating Needs?
Our 0Cr21Al4 FeCrAl wire is designed to power your heating systems with cost-efficiency and reliability. Whether you’re building industrial ovens or consumer appliances, our wire delivers the performance you need to stay competitive. Ready to heat things up on a budget? Let’s connect to find the perfect 0Cr21Al4 solution for your project.
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 0Cr21Al4 FeCrAl wire ideal for resistance heating?
Its high resistivity and oxidation resistance ensure efficient, reliable heating at a low cost.How does 0Cr21Al4 compare to other FeCrAl alloys?
With 21% chromium and 4% aluminum, it offers a cost-effective balance of performance and durability.Can 0Cr21Al4 be used beyond resistance heating?
Yes, it’s versatile for appliances, resistors, and specialty manufacturing processes.How does your 0Cr21Al4 ensure cost-efficiency?
High-purity materials and precise manufacturing deliver reliable performance at a budget-friendly price.What’s the max temperature 0Cr21Al4 can handle?
It performs reliably up to 1100°C (2012°F) without oxidizing or degrading.Is 0Cr21Al4 eco-friendly?
Its efficient design reduces energy use, supporting sustainable heating solutions.Do you offer custom 0Cr21Al4 wire solutions?
We provide tailored gauges and properties to meet your specific project needs.Why choose your 0Cr21Al4 wire?
Our focus on quality, customization, and fast delivery ensures top performance for your heating needs.