Heating Resistance Alloy Wire

Model NO.
chengxin -89663
Trademark
Chengxin
Origin
Wuxi
HS Code
85168000
Production Capacity
1000 Tons Per Year
Reference Price
$ 0.81 - 0.90
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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 C 8 ppm/K-1
Temperature coefficient -55 to 105 C ±40 ppm/K-1
Density 8.9 × 103 kg/m³
Melting point 1221 to 1300 °C
Specific heat capacity 0.39 J/(g·K)
Thermal conductivity at 23C 19.5 W/(m.K)
Linear coefficient of thermal expansion at 25-105C 14.9 × 10-6 K-1
Tensile strength 455-860 MPa
Elongation at fracture <45%
Elastic modulus 162 GPa


 

 

Alloy

CHANHXETAI.VN, 2023