Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip

Product Details
Customization: Available
Product Type: Strip
Material: CuNi
Diamond Member Since 2008

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ISO 9001, ISO 14001
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
  • Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
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Basic Info.

Model NO.
Constantan
Carbon Content
N/A
PCD
N/A
ET
N/A
Hole
N/A
colour
silver white
standard
GB/ASTM/JIS/BIS/DIN
Sample
Small Order Accepted
surface
Bright
Density
8.9(g/cm3)
Transport Package
Waterproof Paper, Wooden Case
Specification
RoHS, SGS, ISO 9001: 2008
Trademark
TANKII
Origin
China
HS Code
7408220000
Production Capacity
5000 Ton/Yearton/Year

Product Description

Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip

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
 main specifications and main technical parameter of resistance alloy constantan wire
main property    type   NC003 Cuni1 NC005 CuNI2 NC010 CuNI6 NC012 CuNi8 NC015 CuNI10 NC025 CuNi19 NC030 CuNi23 NC035 CuNi30 NC040 CuNi34 NC050 CuNI44
main chemical composition Ni 1 2 6 8 10 19 23 30 34 44
  MN / / / / / 0.5 0.5 1.0 1.0 1.0
  CU rest rest rest rest rest rest rest rest rest rest
max working temperature   / 200 220 250 250 300 300 350 350 400
density g/cm3   8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9
resistivity at 20 °c   0.03
±10%
0.05
±10%
0.10
±10%
0.12
±10%
0.15
±10%
0.25
±5%
0.30
±5%
0.35
±5%
0.40
±5%
0.49
±5%
temperature coefficient of resistance   <100 <120 <60 <57 <50 <25 <16 <10 -0 <-6
tensile strength mpa   >210 >220 >250 >270 >290 >340 >350 >400 >400 >420
elongation   >25 >25 >25 >25 >25 >25 >25 >25 >25 >25
melting point °c   1085 1090 1095 1097 1100 1135 1150 1170 1180 1280
coefficient of conductivity   145 130 92 75 59 38 33 27 25 23

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.

 

Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip

Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip
Constantan Strip foil / Konstantan CuNi44 Precision Low Resistance Strip


 

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