Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire

Product Details
Customization: Available
Product Type: Wire
Material: CuNi
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Management System Certification
ISO 9001, ISO 14001
  • Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
  • Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
  • Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
  • Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
  • Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
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Basic Info.

Model NO.
Constantan
Carbon Content
Low Carbon
PCD
NONE
ET
N/A
Hole
N/A
Sample
Free
standard
ASTM/GB
colour
silver white
Surface
Bright
Diameter
0.02-10mm
Ni
44%
Packing
Standard
Shape
Strip
OEM
YES
Condition
soft / hard
Transport Package
Waterproof Paper, Wooden Case
Specification
RoHS, SGS, ISO 9001: 2008
Trademark
TANKII
Origin
China
HS Code
7505220000
Production Capacity
5000 Ton/Yearton/Year

Product Description

Bright Constantan  CuNi44Mn Copper Nickel Electric Resistance Heating Wire

onstantan As a big manufacturer and exporter in China on the line of electric resistance alloy,
we can supply all kinds of electric resistance alloy wire and strips (resistance steel wire and
strips),
Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44.

1. CuNi44, also called Constantan, has a very low temperature coefficient, high electrical
resistance, high ductility and non-corroding properties. It is suitable for use at temperatures
up to 600° C (1110° F). As a very malleable, very ductile alloy, it has a very good resistance
to oxidation.

The alloy is non-magnetic. It is suitable for electrical resistors, potentiometers, heating wires,
heating cables and mats. Ribbons are used for heating of bimetals. Another field of
application is manufacturing of thermocouples because it develops a high electromotive
force (EMF) in association with others metals.

2. Chemical Composition
Alloy Ni% Mn% Fe% Cu%
CuNi44 43 Max 0.5 - Bal.

3. Products and services
1. Pass: ISO9001 certification;
2. Fine after-sale services;
3. Small order accepted;
4. Samples available;

Chemical Content, %
Ni Mn Fe Si Cu Other ROHS Directive
Cd Pb Hg Cr
44 1% 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
 
Application of Constantan
Constantan is a copper-nickel alloy that contains specific minor amounts of additional
elements to achieve precise values for the temperature coefficient of resistivity. Careful
control of melting and conversion practices results in a very low level of pinholes at
ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges.
Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire

Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire

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