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Jiangyin Senphus Electrical Material Co., Ltd.

Heating Resistance Wires, Resistance Wire, Nichrome Wire manufacturer / supplier in China, offering Heating Resistance Alloy Wire, Warm Floor Heating Mats of UL and VDE, Hot Sale Energy Saving Silicone Oil Drum Heater of UL Approved and so on.

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Heating Resistance Alloy Wire

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 1000 Tons Per Year
Transport Package: Carton
Payment Terms: T/T

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Basic Info
  • Model NO.: chengxin -89663
  • Material: Cu Ni
  • Diameter: 0.03 to 2mm
  • Specification: ISO9001
  • HS Code: 85168000
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • Trademark: Chengxin
  • Origin: Wuxi
Product Description
heating resistance alloy wire 

Heating Resistance Alloy Wire


Constatnan Wire: Material: CuNi44 CuNi23, CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi30, CuNi34, we supply!
Constantan Wire/CuNi44 Wire
 
Grade: 55.00 Copper, 44.00 Nickel, 1.0 Mn.
 
Electrical Resistivity: 0.49 ohm mm2/m

Shape: Wire, rod, bar

Diameter: 0.03mm-30mm

Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm. Mm2/ft). The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.

Electrical resistivity at room temperature
500 nΩ·m
Temperature coefficient at 20 C8 ppm/K-1
Temperature coefficient -55 to 105 C±40 ppm/K-1
Density8.9 × 103 kg/m³
Melting point1221 to 1300 °C
Specific heat capacity0.39 J/(g·K)
Thermal conductivity at 23C19.5 W/(m.K)
Linear coefficient of thermal expansion at 25-105C14.9 × 10-6 K-1
Tensile strength455-860 MPa
Elongation at fracture<45%
Elastic modulus162 GPa
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