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FeCrAl Alloy 0Cr21Al4

FeCrAl Alloy 0Cr21Al4

0Cr21Al4(Common Name:0Cr21Al4)0Cr21Al4 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by moderate resistivity and good oxidation resistance.It is suitable for use at temperatures up t

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0Cr21Al4

(Common Name:0Cr21Al4)

0Cr21Al4 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by moderate resistivity and good oxidation resistance.It is suitable for use at temperatures up to 1100°C.

Typical applications fo0Cr21Al4 are used as elements in home appliances,melting and industrial furnace.

Normal composition%

C

P

S

Mn

Si

Cr

Ni

Al

Fe

Other

Max

0.12

0.025

0.025

0.70

Max 1.0

18.0~21.0

Max 0.60

3.0~4.2

Bal.

-

Typical Mechanical properties(1.0mm)

Yield strength

Tensile Strength

Elongation

Mpa

Mpa

%

550

750

16

Typical Physical properties

Density (g/cm3)

7.35

Electrical resistivity at 20℃(Ωmm2/m)

1.23

Conductivity coefficient at 20℃ (WmK)

13


Coefficient of thermal expansion

Temperature

Coefficient of Thermal Expansion x10-6/℃

20 ℃- 1000℃

13.5


Specific heat capacity

Temperature

20℃

J/gK

0.49


Melting point (℃)

1500

Max continuous operating temperature in air (℃)

1100

Magnetic properties

magnetic

Temperature Factor of Electrical Resistivity

20℃

100℃

200℃

300℃

400℃

500℃

600℃

700℃

800℃

900℃

1000℃

1100℃

1200℃

1300℃

1

1.005

1.014

1.028

1.044

1.064

1.090

1.120

1.132

1.142

1.150

-

-

-

Style of supply

Alloys Name

Type

Dimension


0Cr21Al4W

Wire

D=0.03mm~8mm


0Cr21Al4R

Ribbon

W=0.4~40

T=0.03~2.9mm

0Cr21Al4S

Strip

W=8~250mm

T=0.1~3.0

0Cr21Al4F

Foil

W=6~120mm

T=0.003~0.1

0Cr21Al4B

Bar

Dia=8~100mm

L=50~1000

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