Fe-Cr-Al alloys

Short Description:

Fe-Cr-Al alloys is one of the most widely used electrothermal alloys at home and abroad. It is characterized by high resistivity, small resistance temperature coefficient, good oxidation resistance, high temperature and so on . These alloys are widely used in making industrial heating equipments and domestic heating appliances.


Product Detail

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Fe-Cr-Al alloys1
Fe-Cr-Al alloys2
Fe-Cr-Al alloys3

Fe-Cr-Al alloys is one of the most widely used electrothermal alloys at home and abroad. It is characterized by high resistivity, small resistance temperature coefficient, good oxidation resistance, high temperature and so on . These alloys are widely used in making industrial heating equipments and domestic heating appliances. Fe-Cr-Al alloys are one of the main products of our company. All resistance heating alloys manufactured by our company are distinguished by uniform composition, high resistivity, accurate dimension, long operating life and good processability. Consumers can select the suitable grade according to different requirements.

SG-GITANE’S resistance heating wire 0Cr25Al5 obtained the title of excellent grade product from the China Ministry of Metallurgical Industry. In 1983, the company’s resistance heating wire HRE awarded the second rate prize for the progress in science and technology from Beijing Municipality.

Size range

Wire

Ø0.0310.00mm

Wire rod

Ø5.5012.00mm

Ribbon

Thickness 0.050.35mm

 

Width 0.54.5mm

Strip

Thickness 0.52.5mm

 

Width 5.048.0mm

Hot rolled strip

Thickness 4.06.0mm

 

Width 15.038.0mm

Steel bar

Ø10.020.0mm

Chemical Composition of Stainless Steels

Properties

0Cr21Al6Nb

0Cr25Al5

0Cr23Al5

0Cr19Al5

0Cr19Al3

1Cr13Al4

Nominal  composition

Cr

Al

Fe

Ni

 

24.0

6.0

Rest

——

 

25.0

5.3

Rest

——

 

22.0

5.0

Rest

——

 

19.0

5.0

Rest

——

 

19.0

3.7

Rest

——

 

13.5

5.0

Rest

——

Max.continuous operating temperature℃

1400

1300

1250

1200

1100

950

Temperature factor of the resistivityCt

800℃

1000℃

1200℃

 

 

1.03

1.04

1.04

 

 

1.05

1.06

1.06

 

 

1.06

1.07

1.08

 

 

1.05

1.06

1.06

 

 

1.17

1.19

——

 

 

1.13

1.14

——

Density(g/cm3)

7.10

7.15

7.25

7.20

7.35

7.40

Melting point(approx.)(℃)

1500

1500

1500

1500

1500

1450

Tensile strength(approx.)(N/mm2)

750

750

750

750

750

750

Elongation at rupture(approx.)%

16

16

16

16

16

16

Magnetic properties

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic


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