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Iron-Chrome-Aluminium Alloy Wire(Fe-Cr-Al)

 

Iron-Chrome-Aluminium Alloy Wire: Is a kind of high resistance electric heating alloy. the characteristic is: electric resistance is high, the weight is light, the price is low. But after being heated, plasticity bad,  easy brittleness, not to be easy to weld and so on. If can be reasonably used,  also be a kind of ideal electric heating material. 
Available models:  the alloy wire: 0.05mm--9.0mm.
                           the alloy mesh: 20mesh--200mesh.

 
 

Type

1Cr13Al4

0Cr25Al5

0Cr21Al6

0Cr23Al5

0Cr21Al4

0Cr21Al6Nb

0Cr27Al7Mo2

Chemical composition

Cr

12.0-15.0

23.0-26.0

19.0-22.0

22.5-24.5

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

4.2-5.0

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

Maximal Temperature (oC)

650

1250

1250

1250

1100

1350

1400

Resistivity 20oC (10-6ohm*m)

1.25

1.42

1.42

1.35

1.23

1.45

1.53

Density(g/cm3)

7.40

7.10

7.16

7.25

7.35

7.10

7.10

Thermal conductivity (KJ/m*h*oC)

52.7

46.1

63.2

60.2

46.9

46.1

45.2

Extend strength  (a*10-6/oC)

15.4

16.0

14.7

15.0

13.5

16.0

16.0

Melting point ( oC)

1450

1500

1500

1500

1500

1510

1520

Tensile strength(N/mm2)

580-680

630-780

630-780

630-780

600-700

650-800

680-830

Percentage elongation (%))

>16

>12

>12

>12

>12

>12

>10

Section shrink  rate(%)

65-75

60-75

65-75

65-75

65-75

65-75

65-75

curve strength(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

Microstructure

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Magnetism

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic