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 Products   Chromium high resistance of Fe-Cr alloys with electric resistivity, temperature coefficient of resistance small, the use of high-temperature characteristics. High temperature corrosion resistance, and is particularly suitable for containing sulfur in the atmosphere and the use of sulfide, and have a proportion of light, surface load high, long service life, low price of a series of advantages, industrial furnace, household appliances, far-infrared the heating device ideal material.

Model Performance

1Cr13Al4

0Cr25Al5

0Cr21Al6

0Cr23Al5

0Cr21Al4

0Cr21Al6Nb

0Cr27Al7Mo2

The main 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

 

 

 

 

 

 

 

 

The maximum use temperature components(oC)

650

1250

1250

1250

1100

1350

1400

Resistivity20oC (μΩ·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

Linear expansion coefficient(α×10-6/oC)

15.4

16.0

14.7

15.0

13.5

16.0

16.0

Melting point about value( oC)

1450

1500

1500

1500

1500

1510

1520

Tensile coefficient(N/mm2)

580-680

630-780

630-780

630-780

600-700

650-800

680-830

Elongation(%)

>16

>12

>12

>12

>12

>12

>10

Area reduction (%)

65-75

60-75

65-75

65-75

65-75

65-75

65-75

Several repeated bending(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

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

agnetic>

agnetic

agnetic

 
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Address:F-5-13 wire mesh word,AnPing,hengshui,hebei,china.

Tel:+86-318-7975300  Fax:+86-318-5281975  Mobile:15130896808   E-mail:apheyu@yahoo.com.cn
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