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NiCr,NiCrFe Resistence Heating Alloy

      Material Grade

Property      

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30

Major composition%

Ni

Balance

Balance

55.0~61.0

34.0~37.0

30.0~34.0

Cr

20.0~23.0

28.0~31.0

15.0~18.0

18.0~21.0

18.0~21.0

Fe

≤1.0

≤1.0

Balance

Balance

Balance

Max working temperature℃

1100

1100

1000

1000

1000

Melting point℃

1400

1380

1390

1390

1390

Density g/cm2

8.40

8.10

8.2

7.90

7.90

Resistence μΩ.m ,20℃

1.09±0.05

1.18±0.05

1.11±0.05

1.04±0.05

1.04±0.05

Elongation %

≥20

≥20

≥20

≥20

≥20

Specific heat J/g. ℃

0.440

0.461

0.494

0.500

0.500

Thermal conductivity KJ/m.h℃

60.3

45.2

45.2

43.8

43.8

Linear expansion coefficient

 a×10-6/℃

(20~1000℃)

18.0

17.0

17.0

19.0

19.0

Microstructure

Authentic

Authentic

Authentic

Authentic

Authentic

Magnetic

No

No

No

Weak

Weak

☆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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Qinhuangdao HaiChi Technology & Trade Co., Ltd.  All rights reserved  Ji ICP 09036534 No.    Technical Support:ShangJing Technology