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Shanghai Tankii Alloy Material Co.,Ltd
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Precision Resistance Alloy Of Copper And Nickel Use For Strain Gauge

Shanghai Tankii Alloy Material Co.,Ltd
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Shanghai Tankii Alloy Material Co.,Ltd
City: Shanghai
Province/State: Shanghai
Country/Region: China
Tel: 86-21-56110178
Contact Person:
Mr Martin Lee

Precision Resistance Alloy Of Copper And Nickel Use For Strain Gauge

Brand Name : TANKII
Model Number : Constantan
Certification : ISO
Place of Origin : China
MOQ : 20kg
Payment Terms : Western Union, T/T, L/C
Supply Ability : 20,000kg/Week
Packaging Details : Strip/Wire/Ribbon diameter 0.005mm-1.0mm packing in spool, big than 1.50mm packing in coil
State : Soft annealled or Hard
Sample supply : small sample supply is available
Feature : good form stability & lower prices
Type : Strip in roll
Application : Strain Gauge
Chemical Composition : CuMnNi
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Precision Resistance Strip (CuNi40) Size 0.01mm * 100mm Use For Strain Gauge


2. Product Description
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.

Chemical Content, %

Ni

Mn

Fe

Si

Cu

Other

ROHS Directive

Cd

Pb

Hg

Cr

40

1.50%

-

-

Bal

-

ND

ND

ND

ND


Mechanical Properties

Max Continuous Service Temp

400℃

Resisivity at 20℃

0.48±3%ohm mm2/m

Density

8.9 g/cm3

Thermal Conductivity

-6(Max)

Melting Point

1280℃

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

TCR

-40~+40


Constantan 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
1; Condition: Bright, Annealed, Soft
2; Wire diameter 0.02mm-1.0mm packing in spool, big than 1.0mm packing in coil
3; Rod, Bar diameter 1mm-30mm
4; Strip: Thickness 0.05mm-7mm, Width 1mm-280mm



FAQ


Q1.Do you attend exhibition every year?

A .Yes

Q2.Is there any discount of the nickel wire?

A. Yes. Bigger quantity will get lower discount.

Q3.Information needed if I want a quotation?

A Name, Standard, Material Grade(Chemical Composition), Size Quantity, Weight.

Q4. Can we visit your company/factory before place the order?

A. Yes. Welcome anytime

Q5: How does your factory do regarding quality control?

A. Quality is priority. We always attach great importance to quality controlling from beginning to end.








































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