0Cr27Al7Mo2 is a high-performance FeCrAl alloy designed for demanding resistance heating applications. With its superior composition, including chromium, aluminum, and the addition of molybdenum, it delivers exceptional resistance to oxidation, corrosion, and thermal fatigue. This makes it an ideal material for high-temperature environments where durability and long service life are critical.
| 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) |
The alloy is primarily based on the FeCrAl system, with chromium providing corrosion resistance, aluminum forming a protective oxide layer, and molybdenum enhancing high-temperature strength and structural stability. These combined properties allow the wire to operate at elevated temperatures of up to 1400°C while maintaining consistent performance. The alloy is widely used in the manufacture of heating elements, furnace parts, and electrical resistance components.
Applications in Industry
0Cr27Al7Mo2 wire is frequently chosen in industries such as metallurgy, ceramics, petrochemicals, and electronics. Industrial furnaces rely on this alloy for heating elements that must withstand continuous thermal cycling without degrading. In the ceramics industry, the wire is used in kiln heating systems where uniform heating and durability are essential. In petrochemicals, it is employed in process heating systems exposed to corrosive atmospheres. The alloy’s versatility makes it a trusted material across multiple sectors.
| Alloy Grade | Composition Highlights | Max Temp (°C) | Oxidation Resistance | Applications |
| 0Cr25Al5 | Fe-Cr-Al | 1350 | Very Good | Heating coils, electric furnaces |
| 0Cr21Al6Nb | Fe-Cr-Al + Nb | 1350 | Excellent | Long-life elements, stable structures |
| 0Cr27Al7Mo2 | Fe-Cr-Al + Mo | 1400 | Excellent | High-temp furnaces, demanding systems |
The global demand for resistance heating alloys is steadily increasing due to the growth of electric heating technologies. Energy-efficient furnaces, advanced ceramics, and electric appliances all require high-performance materials like 0Cr27Al7Mo2. With industries shifting toward greener and more efficient heating systems, alloys that offer long service life and stability at extreme temperatures are becoming increasingly valuable. The integration of advanced materials ensures both economic and environmental benefits for manufacturers.
Global Equivalents
Different regions have developed equivalents to 0Cr27Al7Mo2, reflecting similar compositions and applications. In the USA, alloys such as Kanthal APM share comparable properties. In Germany, DIN-based FeCrAlMo alloys serve as equivalents, while in France AFNOR specifications cover similar materials. In Russia, the alloy Х27Ю7М2 is recognized as a counterpart. These equivalents demonstrate the international acceptance and reliability of this alloy in high-temperature applications.
Company Comparison and DLX Advantage
Compared with many other suppliers, DLX emphasizes not only material quality but also production flexibility and customer-focused service. The company maintains strict control over chemical composition to guarantee stable performance under extreme conditions. Advanced manufacturing processes ensure uniformity across batches, which is critical for industries where consistency directly impacts performance and safety. Furthermore, DLX provides customized sizes, surface treatments, and packaging to meet the specific needs of different clients. These advantages allow DLX to stand out in the global market for FeCrAl resistance alloys.
Why This Alloy Matters
0Cr27Al7Mo2 offers a combination of features that make it indispensable for modern heating systems: high operating temperature, outstanding oxidation resistance, and enhanced structural strength due to molybdenum. As industries demand longer-lasting and more efficient heating solutions, this alloy ensures reliability, cost-effectiveness, and performance stability.
Conclusion
The 0Cr27Al7Mo2 alloy resistance wire is a material that bridges the gap between durability and efficiency in high-temperature applications. Its proven performance, global equivalents, and adaptability make it a preferred choice across industries. With DLX’s expertise in alloy production and quality assurance, clients gain access to reliable materials that meet the challenges of modern manufacturing environments.
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
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What is 0Cr27Al7Mo2 alloy wire mainly used for?
Heating elements in industrial furnaces, kilns, and electrical appliances.
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How does 0Cr27Al7Mo2 compare to 0Cr25Al5 in terms of performance?
It offers better oxidation resistance, longer service life, and stability at higher temperatures.
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What is the maximum operating temperature of 0Cr27Al7Mo2?
Up to around 1400°C in oxidizing atmospheres.
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Is 0Cr27Al7Mo2 resistant to oxidation and corrosion?
Yes, it has excellent resistance to high-temperature oxidation and chemical corrosion.
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What global equivalents exist for 0Cr27Al7Mo2?
USA: Kanthal APM (approx.), Germany: DIN FeCrAlMo grades, France: AFNOR FeCrAl alloys, Russia: Х27Ю7М2.
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What forms are available for this alloy?
Wire, strip, ribbon, and rod.
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Why is molybdenum added to this alloy?
Molybdenum enhances high-temperature strength and improves structural stability.
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Why choose DLX for 0Cr27Al7Mo2 supply?
DLX ensures precise composition, consistent quality, and customized production for industrial applications.
