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Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire

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Shanghai Tankii Alloy Material Co.,Ltd
City: Shanghai
Province/State: Shanghai
Country/Region: China
Contact Person:Mr Martin Lee

Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire

Brand Name : TANKII
Model Number : NiCr80/20.
Certification : ISO9001
Place of Origin : CHINA
MOQ : 20kg
Payment Terms : L/C, T/T, Western Union
Packaging Details : 20, 000kg/month
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Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire


Nichrome, a non magnetic alloy of nickel and chromium, is commonly used to make resistance wire.

Because it has a high resistivity and resistance to oxidation at high temperatures. When used as a heating element, resistance wire is usually wound into coils.


Nichrome wire is commonly used in ceramics as an internal support structure to help some elements of clay sculptures hold their shape while they are still soft. Nichrome wire is used because of its ability to withstand the high temperatures that occur when a clay work is fired in a kiln.


Ni80Cr20

Chemical Content, %

C

P

S

Mn

Si

Cr

Ni

Al

Fe

Other

Max

0.08

0.02

0.015

0.60

0.75~1.60

20.0~23.0

Bal.

Max 0.50

Max 1.0

-


Mechanical Properties

Max Continuous Service:

Resisivity( 20℃)/Ω·m:


Density:

Thermal Conductivity:

Coefficient of Thermal Expansion:

Melting Point:

Elongation:

Micrographic Structure:

Magnetic Property:

1200℃

1.09 +/-0.05 (Dia: <0.5mm)

1.13+/-0.05 (Dia: 0.50-3.00 mm)

1.14+/-0.05 (Dia: >3.0mm)


8.4 g/cm3

60.3 KJ/m·h·℃

18.0 α×10-6/℃

1400 ℃

Min 20%

Austenite

nonmagnetic


Main Property of nichrome heating wire


Alloy Nomenclature PerformanceCr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
Main Chemical compositionNiRestRest55.0-61.034.0-37.030.0-34.0
Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0
Fe≤1.0≤1.0RestRestRest
Max. continuous service temp. of element(ºC)12001250115011001100
Resistivity at 20ºC (μΩ·m)1.091.181.121.01.04
Density(g/cm3)8.408.108.207.907.90
Thermal conductivity (KJ/m·h·ºC)60.345.245.243.843.8
Coefficient of lines expansion(α×10-6/ºC)18.017.017.019.019.0
Melting point approx.( ºC)14001380139013901390
Elongation at rupture(%)>20>20>20>20>20
Micrographic structureausteniteausteniteausteniteausteniteaustenite
Magnetic propertiesnonmagneticnonmagneticWeak magneticWeak magnetic

Weak magnetic


Product Tags:

nickel alloys

      

nichrome resistance wire

      
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Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire Images

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