Infrared heating devices require materials that provide reliable, consistent, and efficient heat output. The 0Cr21Al4 / 0Cr19Al3 FeCrAl Wire meets these demands, combining high-temperature stability, oxidation resistance, and energy efficiency. DLX focuses on producing wires that ensure maximum reliability in infrared heating applications, offering long service life and consistent performance for both industrial and high-performance consumer devices.
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The 0Cr21Al4 / 0Cr19Al3 FeCrAl Wire is a high-quality iron-chromium-aluminum alloy engineered for durability and stability in high-temperature environments. Chromium content between 19-21% forms a protective oxide layer that prevents oxidation and scaling during continuous operation. Aluminum, at 3-4%, reinforces this protective layer, enhancing thermal stability and mechanical strength. Iron provides the structural foundation, ensuring the wire maintains integrity under repeated thermal cycling. Together, these elements produce a wire that reliably converts electrical energy into uniform heat for infrared heating devices.
Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr23Al5 | 0Cr21Al4 | 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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This FeCrAl wire is ideal for infrared heaters used in industrial applications, food processing, drying systems, and consumer appliances such as space heaters and infrared grills. It performs well in both continuous and intermittent heating cycles, making it versatile for different heating demands. The wire can be formed into coils, rods, or customized shapes, allowing manufacturers to design precise and efficient heating elements suitable for various infrared devices.
The 0Cr21Al4 / 0Cr19Al3 wire provides excellent oxidation resistance and long-term thermal stability. Many standard wires can degrade or form uneven oxide layers, leading to inconsistent heating and reduced lifespan. DLX’s wire maintains uniform electrical resistivity and structural integrity, ensuring consistent infrared heating performance. Its smooth, uniform surface finish minimizes scaling and maximizes heat transfer efficiency, delivering reliable results over prolonged use.
Parameter Comparison Table:
| Property | 0Cr21Al4 / 0Cr19Al3 FeCrAl Wire | Industry Average | Notes |
|---|---|---|---|
| Chromium (Cr) | 19-21% | 18-22% | Enhances oxidation resistance |
| Aluminum (Al) | 3-4% | 3-5% | Forms protective oxide layer |
| Iron (Fe) | Balance | Balance | Core structural element |
| Maximum Operating Temp | 1350°C | 1300°C | Stable high-temp performance |
| Electrical Resistivity | 1.4-1.6 Ω·mm²/m | 1.3-1.6 Ω·mm²/m | Ensures consistent heating |
| Oxidation Resistance | Excellent | Good | Longer service life under thermal stress |
| Form Availability | Coils, spools, custom | Coils & spools | DLX offers flexible options |
| Surface Finish | Smooth, uniform | Varies | Reduces scaling and enhances heat transfer |
Durability is crucial for infrared heating devices, which often operate at high temperatures for extended periods. The 0Cr21Al4 / 0Cr19Al3 wire resists oxidation, scaling, and thermal fatigue, minimizing maintenance requirements and reducing the risk of device failure. DLX’s stringent quality controls ensure that every batch meets precise specifications for chemical composition, resistivity, and mechanical strength, guaranteeing long-term reliability. This means fewer replacements, reduced downtime, and enhanced energy efficiency for infrared heating applications.
Infrared heating technology is gaining popularity due to its energy efficiency and rapid heating capabilities. Users increasingly demand heating elements that maintain performance over time while minimizing energy consumption. Materials like 0Cr21Al4 / 0Cr19Al3 FeCrAl wire meet these trends by combining high resistivity, oxidation resistance, and thermal stability. Manufacturers benefit from lower maintenance costs, extended service life, and improved heating efficiency, aligning with industry trends toward sustainable and cost-effective heating solutions.
DLX stands out in the FeCrAl wire market by delivering quality, precision, and customer-focused solutions:
Quality Assurance: All wires undergo rigorous testing for composition, resistivity, and surface uniformity.
Reliable Performance: Controlled manufacturing ensures stable electrical and thermal properties.
Flexible Supply: Available in coils, spools, or custom lengths to meet diverse infrared device designs.
Custom Solutions: DLX can adjust diameter, length, and surface finish to meet client-specific requirements.
Technical Support: Guidance on installation, operating conditions, and maintenance helps maximize lifespan and efficiency.
Comparison with Standard Options
Many FeCrAl wires may appear similar in chemical composition, but DLX wires excel in consistency, surface finish, and long-term performance. Standard wires often experience uneven oxidation or scaling, impacting heating efficiency and device longevity. DLX wires provide predictable performance, reducing operational risk and improving reliability for infrared heating devices.
An industrial infrared heater manufacturer implemented DLX 0Cr21Al4 / 0Cr19Al3 wires in their high-temperature units. Over two years of operation, the wires delivered consistent heat distribution, showed minimal scaling, and required fewer replacements than standard wires. This improved device efficiency, reduced maintenance frequency, and enhanced overall operational reliability, illustrating the practical benefits of DLX’s high-quality FeCrAl wires in real-world infrared applications.
For manufacturers of infrared heating devices seeking reliable, efficient, and long-lasting heating solutions, the 0Cr21Al4 / 0Cr19Al3 FeCrAl Wire from DLX is an ideal choice. Its combination of oxidation resistance, thermal stability, and mechanical durability ensures uniform heating, extended service life, and energy efficiency.
DLX’s precision manufacturing, strict quality control, and ability to provide customized solutions make this wire a trusted component for both industrial and consumer infrared heating applications. Choosing DLX ensures consistent performance, reduced maintenance costs, and reliable heat output, supporting the development of efficient and durable infrared heating devices.
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
What is 0Cr21Al4 / 0Cr19Al3 FeCrAl Wire made of?
Iron, chromium, and aluminum.
What applications is this wire suitable for?
Infrared heating devices, industrial heaters, and high-temperature appliances.
What is its maximum operating temperature?
Up to 1350°C continuous use.
How does it perform in oxidation resistance?
Excellent, even under long-term high-temperature exposure.
What forms does this wire come in?
Coils, spools, and custom lengths.
Is it suitable for continuous and intermittent heating?
Yes, designed for reliable performance in both modes.
Can DLX customize the wire for device-specific requirements?
Yes, diameter, length, and surface finish can be tailored.
How does this wire improve infrared heating efficiency?
Provides uniform heat distribution, reduces maintenance, and extends element lifespan.