DLX offers high-resistivity 0Cr15Al5 FeCrAl bars engineered for industrial heating systems and high-performance thermal applications. This iron-chromium-aluminum alloy is designed with 15% chromium and 5% aluminum, providing an ideal combination of resistivity, high-temperature strength, and oxidation resistance. Whether you’re upgrading furnace bars, designing resistance heating elements, or building thermal processing equipment, DLX 0Cr15Al5 bars deliver reliable, consistent performance.
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The 0Cr15Al5 alloy provides excellent electrical resistivity, making it perfect for heating elements and high-temperature furnace bars. The aluminum content ensures the formation of a protective oxide layer, which guards against oxidation and prolongs service life. Chromium adds high-temperature strength and corrosion resistance, allowing the bars to maintain structural integrity even in continuous operation at 1,200°C. These properties make it a versatile material for industrial heating applications where reliability and longevity are critical.
Alloy Nomenclature Performance | 0Cr21Al6 | 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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DLX 0Cr15Al5 bars are available in custom diameters, lengths, and surface finishes, offering flexibility to meet specific industrial requirements. The material can be machined, bent, or fabricated to create furnace supports, resistance wire carriers, or structural components. With uniform resistivity and tight dimensional tolerances, our bars ensure even heat distribution and consistent performance, critical for modern industrial heating systems.
These bars are widely used in industrial heat treatment furnaces, chemical reactors, metallurgy, aerospace thermal components, and power generation equipment. In heat treatment, they serve as furnace supports, structural bars, or resistance heating carriers. In chemical processing and metallurgy, their oxidation resistance ensures reliable operation in harsh environments. Aerospace and power industries rely on the alloy’s high resistivity and thermal stability to maintain precise temperature control and component longevity.
Industry Trends and DemandIndustrial heating systems are evolving toward higher efficiency, longer service life, and better temperature uniformity. With increasing energy costs and stricter operational standards, materials like 0Cr15Al5 FeCrAl bars, which combine high resistivity, oxidation resistance, and mechanical strength, are increasingly in demand. DLX is well-positioned to support these trends, offering custom fabrication, high-precision tolerances, and technical support to meet evolving industrial heating requirements.
Comparison Table: FeCrAl Bar Series
| Alloy | Cr % | Al % | Max Temp (°C) | Resistivity (Ω·mm²/m) | Tensile Strength (MPa) | Typical Application |
|---|---|---|---|---|---|---|
| 0Cr12Al4 | 12 | 4 | 1,100 | 1.15 | 520 | Standard furnace bars, general heating elements |
| 0Cr15Al5 | 15 | 5 | 1,200 | 1.25 | 540 | High-resistivity industrial heating, furnace support bars |
| 0Cr18Al6 | 18 | 6 | 1,250 | 1.30 | 560 | Heavy-duty heat treatment and chemical reactors |
| 0Cr21Al5 | 21 | 5 | 1,300 | 1.35 | 580 | Extreme-temperature furnace components and specialized heating systems |
DLX differentiates itself by delivering high-quality materials with precise engineering support. Each 0Cr15Al5 bar is subjected to rigorous quality control, ensuring consistent resistivity, tensile strength, and dimensional accuracy. Our capabilities allow for custom lengths, diameters, and surface finishes, making DLX a trusted partner for industrial heating projects that require reliable, long-lasting materials. We maintain a robust inventory and fast delivery options to support urgent projects and large-scale installations.
DLX 0Cr15Al5 FeCrAl bars are built for long-term stability in extreme conditions. The combination of chromium and aluminum ensures excellent oxidation resistance, while high resistivity maintains consistent heating performance. These properties reduce maintenance downtime and replacement costs, ensuring that industrial heating systems operate efficiently and reliably.
DLX understands that each industrial application has unique requirements. That’s why we offer custom engineering support and tailored solutions. Clients can select bar diameters, lengths, and machining options to match their operational needs. Our team provides guidance on optimal installation, performance optimization, and material selection, ensuring maximum efficiency and reliability for every system.
The 0Cr15Al5 FeCrAl bar from DLX is an ideal solution for industrial heating systems, furnace supports, and high-resistivity applications. With a perfect balance of chromium and aluminum, high resistivity, and excellent oxidation resistance, it delivers consistent performance, durability, and long-term reliability. DLX combines precision manufacturing, customization, and technical support, making our bars the preferred choice for industrial heating applications across metallurgy, chemical processing, aerospace, and power generation sectors.
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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