Main Property of FeCrAl electrical resistance heating alloy

          Type

1Cr13Al4

0Cr21Al4

0Cr25Al5

0Cr21Al6

0Cr21Al6Nb

0Cr27Al7Mo2

0Cr23Al5

Property

Main Chemical
Composition%

Cr

12～15

17～21

23～26

19～22

21～23

26.5～27.8

20.5～23.5

Al

4～6

2～4

4.5～6.5

5～7

5～7

6～7

4.2～5.3

Fe

Rest

Rest

Rest

Rest

Rest

Rest

Rest

Re

Opportune
ammount

Opportune
ammount

Opportune
ammount

Opportune
ammount

Opportune
ammount

Opportune
ammount

Opportune
ammount

Mn

≤0.7

≤0.7

≤0.7

≤0.7

≤0.7

≤0.7

≤0.7

Nb

～

～

～

～

0.5

～

～

Max Continuous Service
Temp.of Element ℃

950

1100

1300

1300

1350

1400

1250

Density g/cm3

7.4

7.35

7.1

7.1

7.1

7.1

7.25

Electrical Resistivity

1.25

1.23

1.4

1.4

1.43

1.53

1.35

Melting Point

1450

1500

1500

1500

1500

1520

1500

Tensile strength Mpa

588～735

637～784

637～784

637～784

637～784

686～784

637～784

Elongation %

＞16

＞14

＞12

＞12

＞12

＞12

＞12

Variation of area%

65～75

65～75

65～75

65～75

65～75

65～75

65～75

Bending frequency

＞5

＞5

＞5

＞5

＞5

＞5

＞5

Hardness

200-260

200-260

200-260

200-260

200-260

200-260

200-260

Micrographic structure

ferrite F

ferrite F

ferrite F

ferrite F

ferrite F

ferrite F

ferrite F

Magnetic property

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic

Magnetic