0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

2025-07-03 FeCrAl Bar 18 views Get Latest Price

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

Our 0Cr21Al6Nb FeCrAl bar, an iron-chromium-aluminum alloy with 21% chromium, 6% aluminum, and niobium, is a high-performance material engineered for advanced heat treatment furnaces. This bar offers superior oxidation resistance, stability at temperatures up to 1350°C (2462°F), and exceptional durability. Its high resistivity ensures efficient, consistent heating, making it perfect for demanding furnace applications. We manufacture 0Cr21Al6Nb bars with precision, delivering uniform composition, high tensile strength, and top-tier quality to meet the rigorous needs of heat treatment industries.

Industry Analysis

The heat treatment furnace market is booming, driven by demand in aerospace, automotive, and metalworking sectors. Market data projects a CAGR of over 5.5% through 2030, fueled by the need for high-temperature, reliable heating solutions. Sustainability and energy efficiency are key trends, with industries seeking materials that reduce power consumption and maintenance costs. Our 0Cr21Al6Nb bar excels in this space, offering long-lasting performance and efficiency in extreme heat. As manufacturers aim to optimize operations and meet strict standards, our bar is a critical component for staying competitive.

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)

For more details, pls directly contact us

Our 0Cr21Al6Nb bar is a powerhouse for heat treatment furnaces but versatile enough for other uses:

  • Heat Treatment Furnaces: Powers precise, high-temperature heating for metal hardening and tempering.

  • Ceramic Kilns: Delivers reliable heating for advanced ceramic production.

  • Industrial Ovens: Ensures consistent performance for high-temperature processing.

  • Furnace Components: Supports stable heating elements in industrial systems.

  • Specialty Applications: Used in laboratory furnaces and advanced manufacturing processes.

Comparison with Other Materials

Here’s how 0Cr21Al6Nb FeCrAl bar compares to other common materials:

Parameter

0Cr21Al6Nb FeCrAl

Nichrome (Cr20Ni80)

Copper

Stainless Steel

Max Operating Temp (°C)

1350

1200

200

800

Electrical Resistivity (μΩ·m)

1.40-1.50

1.09-1.15

0.017

0.7-0.8

Corrosion Resistance

Good

Excellent

Poor

Moderate

Tensile Strength (MPa)

650-750

650-800

200-400

500-700

Oxidation Resistance

Very High

High (Cr oxide layer)

Low

Moderate

Density (g/cm³)

7.1

8.4

8.9

7.8

Cost Efficiency

Moderate

High

High

Moderate

Heat Treatment Suitability

Excellent

Good

Limited

Moderate

0Cr21Al6Nb’s high temperature tolerance and enhanced oxidation resistance, thanks to niobium, make it ideal for heat treatment furnaces, outperforming copper in extreme heat and offering better thermal stability than stainless steel. While Nichrome has superior corrosion resistance, our bar’s durability and ability to handle higher temperatures make it a top choice for advanced furnace applications.

Our Company’s Edge

Our 0Cr21Al6Nb FeCrAl bar is engineered for superior performance and longevity. We use high-purity materials, including niobium, to ensure every bar meets stringent industry standards. Our advanced manufacturing delivers uniform composition and consistent quality, minimizing downtime and maintenance costs for your furnaces. Sustainability is a core focus—our bar’s energy-efficient design reduces power consumption, aligning with eco-friendly trends. With decades of expertise, we offer customized solutions, tailoring bar dimensions and properties to your needs. Our global supply chain ensures fast delivery, keeping your operations running smoothly.

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

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.

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

Client Visits

Building Stronger Partnerships

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

We support all kinds of testing:

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

0Cr21Al6Nb FeCrAl Bar for Advanced Heat Treatment Furnaces

FAQs

  1. Why is 0Cr21Al6Nb FeCrAl bar ideal for heat treatment furnaces?
    Its high oxidation resistance and ability to handle 1350°C ensure reliable performance in extreme heat.

  2. How does 0Cr21Al6Nb compare to other FeCrAl alloys?
    With niobium, it offers enhanced durability and temperature tolerance for advanced furnace applications.

  3. Can 0Cr21Al6Nb be used beyond heat treatment furnaces?
    Yes, it’s versatile for kilns, industrial ovens, and specialty manufacturing processes.

  4. How does your 0Cr21Al6Nb ensure durability?
    High-purity materials and precise manufacturing deliver consistent, long-lasting performance.

  5. What’s the max temperature 0Cr21Al6Nb can handle?
    It performs reliably up to 1350°C (2462°F) without oxidizing or degrading.

  6. Is 0Cr21Al6Nb eco-friendly?
    Its efficient design reduces energy use, supporting sustainable furnace operations.

  7. Do you offer custom 0Cr21Al6Nb bar solutions?
    We provide tailored dimensions and properties to meet your specific project needs.

  8. Why choose your 0Cr21Al6Nb bar?
    Our focus on quality, customization, and fast delivery ensures top performance for your furnace needs.

Why Choose Us for Your Heat Treatment Furnace Needs?

Our 0Cr21Al6Nb FeCrAl bar is designed to keep your heat treatment furnaces running strong and efficient in extreme conditions. Whether you’re hardening metals or processing advanced materials, our bar delivers the durability and performance you need to stay competitive. Ready to power up your operations? Let’s connect to find the perfect 0Cr21Al6Nb solution for your project.


Likes(

Related content

×
Quote

Get a Quote

We provide the highest quality service

×