Gold Member Since 2012
Audited Supplier
Hangzhou Ualloy Material Co., Ltd.

CuNi2, CuNi2 Foil, Cn5 manufacturer / supplier in China, offering Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay, High Quality Ni80cr20 Heating Strip, Nichrome Ribbon Wire (Ni80Cr20) and so on.

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Supplier Homepage Product Cupronickel Alloy Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay

Cupro Nickel Alloy CuNi2 Foil for Thermal Overload Relay

Purchase Qty.:
(KG)
20-49 50-99 100+
FOB Unit Price: US $25.4 US $25 US $24.2
Purchase Qty. (KG) FOB Unit Price
20-49 US $25.4
50-99 US $25
100+ US $24.2
Get Latest Price
Production Capacity: 50t/Month
Transport Package: in Roll/Coil/Spool
Payment Terms: L/C, T/T, Paypal, Western Union
Basic Info
  • Model NO.: CuNi2
  • Material: CuNi
  • Thickness: 0.01mm~3mm
  • Status: Bright
  • Max Continuous Service Temperature(Oc): 200
  • Tensile Strength(MPa): >= 220
  • Micrographic Structure: Austenite
  • Trademark: Ualloy
  • Origin: China
  • Product Type: Foil
  • Carbon Content: Low Carbon
  • Width: 0.5mm~200mm
  • Chemical Composition: CuNi
  • Density(G/Cm³): 8.9
  • Approximate Melting Point(Oc): 1090
  • Magnetic Property: Non
  • Specification: GB/T 6145-1999
  • HS Code: 74082900
Product Description
Copper Nickel Alloys

Model No.: CuNi2

Those are alloys of chemical composition copper + nickel with addition of manganese with a low resistivity (from 231.5 to 23.6 Ohm. Mm2/ft).

The most known, CuNi 44 (also called Constantan) presents the advantage of a very low temperature coefficient.

Their advantages are the following:

Very good resistance to corrosion
Very good malleability
Very good solderability
Chemical Composition and Main Property of Cu-Ni Low Resistance Alloy
Properties\GradeCuNi1CuNi2CuNi6CuNi8CuMn3CuNi10
Main Chemical CompositionNi1268_10
Mn____3_
CuBalBalBalBalBalBal
Max Continuous Service Temperature(ºC)200200200250200250
Resisivity at 20ºC  (μΩ·m)0.030.050.10.120.120.15
Density(g/cm³)8.98.98.98.98.88.9
Thermal Conductivity(α × 10-6ºC)< 100< 120< 60< 57< 38< 50
Tensile Strength(Mpa)≥ 210≥ 220≥ 250≥ 270≥ 290≥ 290
EMF vs Cu(μV/ºC)(0~1000ºC)-8-12-12-22_-25
Approximate Melting Point(ºC)108510901095109710501100
Micrographic Structureausteniteausteniteausteniteausteniteausteniteaustenite
Magnetic Propertynonnonnonnonnonnon

Properties\GradeCuNi14CuNi19CuNi23CuNi30CuNi34CuNi44
Main Chemical CompositionNi141923303444
Mn0.30.50.5111
CuBalBalBalBalBalBal
Max Continuous Service Temperature(ºC)300300300350350400
Resisivity at 20ºC  (μΩ·m)0.20.250.30.350.40.49
Density(g/cm³)8.98.98.98.98.98.9
Thermal Conductivity(α × 10-6ºC)< 30< 25< 16< 10< 0< -6
Tensile Strength(Mpa)≥ 310≥ 340≥ 350≥ 400≥ 400≥ 420
EMF vs Cu(μV/ºC)(0~1000ºC)-28-32-34-37-39-43
Approximate Melting Point(ºC)111511351150117011801280
Micrographic Structureausteniteausteniteausteniteausteniteausteniteaustenite
Magnetic Propertynonnonnonnonnonnon
 
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