Gold Member Since 2008
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Shanghai Tankii Alloy Material Co., Ltd.

Copper Nickel Alloy, Resistance Alloy, Electrical Resistance Alloy Wire manufacturer / supplier in China, offering CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip, 1.6mm Ni95Al5 Thermal Spray Wire with Spool Package, Pure Nickel Wire (Nickel 200) and so on.

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Supplier Homepage Product Copper Nickel Alloys CuNi Resistance Alloy Strip CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip

CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip

Purchase Qty.:
(kg)
20-99 100+
FOB Unit Price: US $25.56 US $24.61
Purchase Qty. (kg) FOB Unit Price
20-99 US $25.56
100+ US $24.61
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Port: Shanghai, China
Production Capacity: 200tons/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: low resistance alloy
  • Material: Cuni Alloy
  • PCD: 120mm
  • Hole: 5
  • surface: bright
  • Trademark: TANKII
  • Specification: 0.005mm~3.0mm
  • HS Code: 7408229000
  • Product Type: Strip
  • Carbon Content: Low Carbon
  • ET: 15mm
  • standard: GB/ASTM/JIS/BIS/DIN
  • Size: 0.01-10mm
  • Transport Package: According Client′s Requirement
  • Origin: China
Product Description
Cuni2/Cuni44/Copper Nickel Alloy Strip

Constantan Wire Definition
Resistance alloy with moderate resistivity and low temperature coefficent of resistance with a flat resistance/temperature curve over a wider range than the "manganins". Constantan also shows better corrosion resistance than the man ganins. Uses tend to be restricted to ac circuits. Constantan is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.
 
Chemical Content, %

Ni

Mn

Fe

Si

Cu

Other

ROHS Directive

Cd

Pb

Hg

Cr

44

1.50%

0.5

-

Bal

-

ND

ND

ND

ND

 
 
Mechanical Properties

Max Continuous Service Temp

400ºC

Resisivity at 20ºC

0.49±5%ohm mm2/m

Density

8.9 g/cm3

Thermal Conductivity

-6(Max)

Melting Point

1280ºC

Tensile Strength,N/mm2   Annealed,Soft

340~535 Mpa

Tensile Strength,N/mm3   Cold Rolled

680~1070 Mpa

Elongation(anneal)

25%(Min)

Elongation(cold rolled)

≥Min)2%(Min)

EMF vs Cu, μV/ºC (0~100ºC)

-43

Micrographic Structure

austenite

Magnetic Property

Non

 
 
Constantan Wire Tradenames:
Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45,
Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan
 
 
Resistance Alloy- Constantan Sizes / Temper Capabilities
 Condition: Bright, Annealed, Soft 
 Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coil
 Rod, Bar diameter 1mm-30mm 
 Strip: Thickness 0.01mm-7mm, Width 1mm-280mm 
 
 
Resistance alloy constantan wire material: 
 
Constantan, CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi40 (6J40), CuNi44. 
Characteristics
Constantan has a number of special characteristics due to which it is known as the most versatile alloy that is available.  Some of its important characteristics are:
High specific heat resistance
Negligible temperature Coefficient
Easily ductile
Resistant to atmospheric corrosion
Can be easily soldered and molded
CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip

CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip

CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip
CuNi2/CuNi44/Resistance Copper Nickel Alloy Strip
 
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