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☆Electrical heating alloy
                 
Properties of FeCrAl

      Material Grade

Property      

1Cr13A14

1Cr21A14

0Cr21A16

0Cr23A15

0Cr25A15

0Cr21A16Nb

0Cr27A17Mo2

Major chemical composition%

Cr

12.0~15.0

17.0~21.0

19.0~22.0

20.5~23.5

23.0~26.0

21.0~23.0

26.5~27.8

Al

4.0~6.0

2.0~4.0

5.0~7.0

4.2~5.3

4.5~6.5

5.0~7.0

6.0~7.0

Fe

balance

balance

balance

balance

balance

balance

balance

Re

适量

适量

适量

适量

适量

适量

适量

 

 

 

 

 

 

加入量Nb:0.5

加入量MO:1.8~2.2

Max element operating temperature

950

1100

1250

1250

1250

1350

1400

Mealting point℃

1450

1500

1500

1500

1500

1510

1520

Density g/cm3

7.40

7.35

7.16

7.25

7.10

7.10

7.10

ResistanceμΩ.m ,20℃

1.25±0.08

1.23±0.06

1.42±0.07

1.35±0.06

1.45±0.07

1.45±0.07

1.53±0.07

Tensile strength  Mpa

588~735

637~784

637~784

637~784

637~784

637~784

686~784

Elongation %

≥16

≥12

≥12

≥12

≥12

≥12

≥10

Repeated bendings

≥5

≥5

≥5

≥5

≥5

≥5

≥5

快速寿命h/℃

-

≥80/1250

≥80/1300

≥80/1300

≥80/1300

≥50/1350

≥50/1350

Specific heatJ/g. ℃

0.490

0.490

0.520

0.460

0.494

0.494

0.494

Thermal conductivityKJ/m.h℃

52.7

46.9

63.2

60.1

46.1

46.1

45.2

Linear expansion coefficient

 a×10-6/℃

(20~1000℃)

15.4

13.5

14.7

15.0

16.0

16.0

16.0

Hardness HB

200~260

200~260

200~260

200~260

200~260

200~260

200~260

Microstructure

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Ferrite

Magnetic

Yes

Yes

Yes

Yes

Yes

Yes

Yes

☆Size and Sepecifications of All Above Products:
Sheet    Thickness 1.5~200×Width 3000(max)×Length 6000
Thickness 1.5~260×Width 2400(max)×Length 6000
Pipe     ф14~ф273× Length 6000~12000 
Wire     ф0.05~ф6.5
Bars     ф12~ф300×3000~12000  Strip  Width 20~500×Thickness0.5~3.0
Foil     Width 20~500×Thickness 0.05~0.5
Forging parts and connectors: manufactured according to customers’ requirement: weight/pc≤500kg or 500~2000kg

 


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