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FeCrAl Rod | ASTM B603 Standard Ferritic Alloy for Thermal Equipment

  • Industrial furnaces and kilns

  • Electric heating elements for thermal processing equipment

  • Heat treatment systems and annealing lines

  • Laboratory heating rods for testing and research

  • Electric heating appliances and domestic ovens

  • Air heaters and radiant heating systems0Cr15Al5/1Cr13Al4/0Cr21Al4/0Cr19Al3/0Cr21Al6/0Cr23Al5/0Cr25Al5/0Cr21Al6Nb/0Cr27Al7Mo2

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FeCrAl Rod | ASTM B603 Standard Ferritic Alloy for Thermal Equipment
FeCrAl Rod | ASTM B603 Standard Ferritic Alloy for Thermal Equipment
FeCrAl Rod | ASTM B603 Standard Ferritic Alloy for Thermal Equipment
Product Detail


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FeCrAl rods are high-performance ferritic alloys composed primarily of iron (Fe), chromium (Cr), and aluminum (Al). These alloys are specially engineered for high-temperature applications and are widely recognized for their excellent oxidation resistance, mechanical stability, and long service life. The aluminum component forms a protective aluminum oxide (Al₂O₃) layer at elevated temperatures, which prevents further oxidation and scaling.

DZX produces FeCrAl rods following ASTM B603 standards, ensuring consistent chemical composition, precise dimensional tolerance, and uniform resistivity. The rods are suitable for both continuous and cyclic high-temperature operations in industrial, laboratory, and energy applications.


The global market for FeCrAl rods has been growing steadily due to increasing demand for energy-efficient and sustainable heating solutions. As industries transition from fuel-based heating to electric high-temperature systems, the need for reliable, long-life heating elements is more critical than ever.

FeCrAl rods are gaining traction in industrial sectors requiring stable resistivity under cyclic heating, including metallurgy, ceramics, glass production, and chemical processing. With the push toward electrification and automation, high-performance heating alloys like FeCrAl are becoming indispensable.

DZX has noted a surge in demand from clients in smart industrial furnaces, laboratory heating solutions, and EV thermal management systems, reflecting the trend toward efficient, long-lasting, and low-maintenance heating materials.

Alloy Nomenclature Performance

1Cr13Al4

0C

r25Al5

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)



FeCrAl rods have become a cornerstone of modern thermal equipment due to their superior high-temperature performance and oxidation resistance. At DZX, we manufacture these rods to meet the rigorous demands of industrial furnaces, laboratory equipment, and high-precision thermal systems.

Comparison Table

PropertyFeCrAl RodNiCr Rod
CompositionFe-Cr-AlNi-Cr
Max Operating Temperature (°C)1300–14001100–1200
Oxidation ResistanceExcellentGood
Electrical Resistivity (μΩ·m)1.35–1.501.09–1.12
Cost EfficiencyHighMedium
Mechanical StrengthGoodGood
Flexibility at Room TemperatureModerateHigh
Lifespan in Industrial HeatingLongModerate


FeCrAl rods function as the heart of electrical heating systems, converting electricity into heat efficiently while maintaining structural integrity under extreme conditions. The protective aluminum oxide layer ensures long-term durability, making it ideal for continuous operations in metallurgical, ceramic, and glass industries.

At DZX, our production process begins with high-purity raw materials and involves vacuum melting, extrusion, and precision machining. This approach guarantees that every FeCrAl rod adheres to ASTM B603 standards for chemical composition, resistivity, and dimensional accuracy. The result is a high-quality rod that withstands thermal cycling, resists scaling, and maintains consistent performance over time.

Compared to traditional NiCr rods, FeCrAl rods excel in high-temperature oxidation resistance and energy efficiency. While NiCr rods are flexible and versatile, FeCrAl rods handle higher temperatures with minimal maintenance, reducing downtime and replacement costs. Industrial clients report up to 30% longer operational life in furnace and kiln applications, a significant advantage in production efficiency.


DZX offers FeCrAl rods in various diameters and lengths, allowing customization to meet specific resistivity and heating requirements. This flexibility ensures compatibility with different furnace designs, laboratory setups, and domestic heating applications. Our quality control team conducts rigorous resistance measurements, tensile tests, and oxidation resistance assessments to ensure each rod meets our high standards.

With the global focus on energy efficiency and electrification, FeCrAl rods are increasingly important for sustainable heating solutions. They provide consistent heating output, minimize energy loss, and offer reliable performance in environments where temperature precision is critical. DZX’s FeCrAl rods have found wide applications in industrial furnaces, annealing lines, heat treatment equipment, and laboratory ovens.

Our R&D team continuously improves FeCrAl alloy compositions to enhance oxidation resistance, resistivity stability, and mechanical strength. By delivering high-quality rods with predictable performance, DZX supports manufacturers in achieving higher energy efficiency, extended equipment life, and reduced operational costs.


In addition to industrial applications, FeCrAl rods are being adopted in electric heating appliances and smart home devices, reflecting the trend toward electrification in residential settings. DZX is positioned to provide high-quality rods that meet the evolving demands of modern heating systems, combining reliability, longevity, and efficiency.

Choosing DZX FeCrAl rods means opting for a trusted, high-performance heating solution. With precise manufacturing, strict quality control, and flexible customization, our rods help manufacturers optimize their heating processes while minimizing maintenance and energy costs. FeCrAl rods remain a vital component in modern thermal equipment, ensuring consistent, efficient, and safe heating across multiple applications.

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.

0Cr27Al7Mo2 Alloy Resistance Wire with Global Grade Equivalents

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0Cr27Al7Mo2 Alloy Resistance Wire with Global Grade Equivalents

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0Cr27Al7Mo2 Alloy Resistance Wire with Global Grade Equivalents

0Cr27Al7Mo2 Alloy Resistance Wire with Global Grade Equivalents

1. What is FeCrAl rod made of?
It consists mainly of iron, chromium, and aluminum, forming a durable oxide layer that provides excellent high-temperature oxidation resistance.

2. What is the maximum operating temperature of FeCrAl rod?
Depending on the alloy grade, it can operate continuously at 1300–1400°C.

3. What are the advantages over NiCr rods?
FeCrAl rods offer higher temperature endurance, better oxidation resistance, and cost efficiency, though they may be slightly less flexible at room temperature.

4. Can FeCrAl rods be used in air or oxidizing atmospheres?
Yes. The protective aluminum oxide layer prevents surface degradation even in highly oxidizing environments.

5. What standards does DZX follow for FeCrAl rods?
All rods are manufactured according to ASTM B603, ensuring uniform chemical composition and performance for industrial and laboratory applications.

6. Can DZX provide custom sizes and resistance values?
Yes. DZX offers rods in a range of diameters, lengths, and resistivity tailored to client specifications.

7. What industries commonly use FeCrAl rods?
Metallurgy, ceramics, glass, chemical processing, laboratory equipment, and domestic heating applications.

8. What quality control measures are applied at DZX?
Each batch undergoes mechanical strength testing, dimensional verification, resistivity measurement, and oxidation resistance evaluation to ensure consistent and reliable performance.


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    COMPANY PROFILE

    Jiangsu Dzx Technology is a company dedicated to the production and research and development of alloys. Founded in 2002, we initially focused on the production of resistance alloys.

      CONTACT US

      E-mail: dzx@dlx-alloy.com

      Mobile: +8619906119641

      Tel: 0086-19906119641

      WhatsApp: +86-19906119641

      Add: NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu

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