Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
China Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire, Find details about China Constantan Wire, CuNi45 wire from Bright Constantan CuNi44Mn Copper Nickel Electric Resistance Heating Wire
Basic Info.
Model NO.
Constantan
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
Trademark
TANKII
Transport Package
Waterproof Paper, Wooden Case
Specification
RoHS, SGS, ISO 9001: 2008
Origin
China
HS Code
7505220000
Model NO.
Constantan
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
Trademark
TANKII
Transport Package
Waterproof Paper, Wooden Case
Specification
RoHS, SGS, ISO 9001: 2008
Origin
China
HS Code
7505220000
Product Desciption
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, %
Mechanical Properties
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.
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.
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