Shanghai Tankii Alloy Material Co.,Ltd

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Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire

Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire

  • Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire
Nicr80 / 20 Nichrome Wire Magnetic Alloy For Resistance Wire
Product Details:
Place of Origin: CHINA
Brand Name: TANKII
Certification: ISO9001
Model Number: NiCr80/20.
Payment & Shipping Terms:
Minimum Order Quantity: 20kg
Packaging Details: 20, 000kg/month
Payment Terms: L/C, T/T, Western Union
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Detailed Product Description
High Light:

nichrome resistance wire

,

nichrome wire

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 Performance Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
Main Chemical composition Ni Rest Rest 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 Rest Rest Rest
Max. continuous service temp. of element(ºC) 1200 1250 1150 1100 1100
Resistivity at 20ºC (μΩ·m) 1.09 1.18 1.12 1.0 1.04
Density(g/cm3) 8.40 8.10 8.20 7.90 7.90
Thermal conductivity (KJ/m·h·ºC) 60.3 45.2 45.2 43.8 43.8
Coefficient of lines expansion(α×10-6/ºC) 18.0 17.0 17.0 19.0 19.0
Melting point approx.( ºC) 1400 1380 1390 1390 1390
Elongation at rupture(%) >20 >20 >20 >20 >20
Micrographic structure austenite austenite austenite austenite austenite
Magnetic properties nonmagnetic nonmagnetic Weak magnetic Weak magnetic

Weak magnetic

 

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