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Shanghai Tankii Alloy Material Co., Ltd.

Constantan Strip, Copper-Nickel-Alloy, Constantan Sheet manufacturer / supplier in China, offering Constantan strip Copper Nickel Alloy CuNi44, Pure Nickel Wire (Nickel 200), Constantan Wire for Sampling Resistor and so on.

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Constantan strip Copper Nickel Alloy CuNi44

Purchase Qty.:
30-99 100-499 500-2,999 3,000+
FOB Unit Price: US $26 US $20 US $19 US $15
Purchase Qty. (kg) FOB Unit Price
30-99 US $26
100-499 US $20
500-2,999 US $19
3,000+ US $15
Get Latest Price
Port: Shanghai, China
Production Capacity: 500 Ton/Yearton/Year
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: CuNi44
  • Material: CuNi
  • PCD: 420
  • Hole: 0
  • standard: GB/ASTM/JIS/BIS/DIN
  • surface: Bright
  • Trademark: TANKII
  • Specification: RoHS, SGS, ISO 9001: 2008
  • HS Code: 7408220000
  • Product Type: Strip
  • Carbon Content: Low Carbon
  • ET: 0
  • colour: silver white
  • Sample: Small Order Accepted
  • Density: 8.9(g/cm3)
  • Transport Package: Waterproof Paper, Wooden Case
  • Origin: China
Product Description
Constanstan Strip/Constantan Sheet/Constantan Plate

Size Range: Thickness 0.005mm~3mm; Width 1mm~600mm

Chemical Content, %
NiMnFeSiCuOtherROHS Directive
Mechanical Properties
Max Continuous Service Temp400ºC
Resisivity at 20ºC0.49±5%ohm mm2/m
Density8.9 g/cm3
Thermal Conductivity-6(Max)
Melting Point1280ºC
Tensile Strength,N/mm2   Annealed,Soft340~535 Mpa
Tensile Strength,N/mm3   Cold Rolled680~1070 Mpa
Elongation(cold rolled)≥Min)2%(Min)
EMF vs Cu, μV/ºC (0~100ºC)-43
Micrographic Structure austenite
Magnetic PropertyNon
 main specifications and main technical parameter of resistance alloy constantan wire
main property    type NC003 Cuni1NC005 CuNI2NC010 CuNI6NC012 CuNi8NC015 CuNI10NC020 CuNi14NC025 CuNi19NC030 CuNi23NC035 CuNi30NC040 CuNi34NC050 CuNI44
main chemical compositionNi12681014.21923303444
max working temperature /200220250250300300300350350400
density g/cm3
resistivity at 20 °c 0.03±10%0.05±10%0.10±10%0.12±10%0.15±10%0.20±5%0.25±5%0.30±5%0.35±5%0.40±5%0.49±5%
temperature coefficient of resistance <100<120<60<57<50<38<25<16<10-0<-6
tensile strength mpa >210>220>250>270>290>310>340>350>400>400>420
elongation >25>25>25>25>25>25>25>25>25>25>25
melting point °c 10851090109510971100111511351150117011801280
coefficient of conductivity 145130927559483833272523
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.


Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Copper Nickel Alloy, pure nickel and other precision alloy materials in the form of round wire, ribbon wire, sheet, tape, strip, rod and plate.

We've already got ISO9001 quality system certificate and approval of ISO14001 environmental protection system.

We own a complete set of advanced production flow of refining, cold reduction, drawing and heat treating etc. We also proudly have independent R&D capacity.

Shanghai Tankii Alloy Material Co., Ltd has accumulated lots of experiences over nine years in this field. During nine years, more than 60 management elites and high science and technology talents were employed.They participated in every walk of the company life, which make our company keep blooming and invincible in the competitive market.

Based on the principle of "first quality, sincere service", our managing ideology is pursuing technology innovation and creating the top brand in the alloy field. We persist in Quality - the foundation of the survival. It is our forever ideology to serve you with full heart and soul. We committed to provide customers all over the world with high-quality, competitive products and perfect service.

Constantan strip Copper Nickel Alloy CuNi44
Constantan strip Copper Nickel Alloy CuNi44
Constantan strip Copper Nickel Alloy CuNi44
Constantan strip Copper Nickel Alloy CuNi44

Constantan strip Copper Nickel Alloy CuNi44
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