• Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
  • Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
  • Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
  • Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
  • Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
  • Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)

Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)

Product Type: Wire
Material: Cu, Ni
Carbon Content: Low Carbon
Color: Bright
Diameter: 0.03 to 2mm
Component: Ni 44%, Cu Balance
Customization:

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Basic Info.

Model NO.
cn49w
Transport Package
Carton, Wooden Case
Specification
Rohs
Trademark
Chengxin
Origin
Jiangyin
HS Code
74082900
Production Capacity
100 Tons / Month

Product Description

CONSTANTAN(44%NICKEL,1%MANGANESE,55%COPPER)
Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
Constantan wire
1. Anti-corrosion
2. Cu, ni wire
3. Main materail of heating cable
Name The main parts (%) Resistance Temperature Coefficient 10 -6 / ° C (20-100° C) Resistance
μ Ω M
(20° C)
Elongation
%
Tensile Strength
N/MM 2
Density
G/CM 3
The melting point
° C
Temperature
° C
α β

Constantan
40Ni, bal, Cu -40|+40 - 0.49 ≥ 6-15 390|875 8.90 1200

Constantan is an alloy of nickel (about 40%), copper (about 60%) and manganese (2%).
Constantan has a silver and yellow color. Melting Point - 1260ºC, density - 8.9 g/cm3, thermal expansion coefficient is 14h10 -61/ºC, it has a constant electrical resistance, high thermoelectric power.
This material is very ductile due to nickel in its composition, it lends itself well to machining, soldering and welding, stamping, corrosion resistant, and resistant to high temperature, in cold state is not influenced by low concentrated acid environments, resistant to ammonia vapors, except steam heated to 200-500ºC.
 
Constantan exists in three types of rolled products: in form of wire, strip and circle.
Constantan wire is manufactured according to GOST1790-77, which covers wire used for thermocouples production and GOST5307-77, which regulates manufacturing of cold-drawn wire of circular cross section used for electrical purposes.
Constantan wire is available in diameter from 0.1 mm to 10.0 mm in hard and soft state.
Constantan strip is made according to GOST5189-75, which defines conditions for manufacturing cold-rolled constantan strips for industrial applications as a material of high electrical resistance.
The thickness of constantan strip ranges from 0.1 mm to 5.0 mm, width - 10.0 mm to 300.0 mm.
Strip may be of soft and hard state. By accuracy of manufacturing: normal accuracy in thickness, normal accuracy in width; normal accuracy in thickness and increased accuracy in width; increased accuracy in thickness and normal accuracy in width; increased accuracy in thickness and increased accuracy in width.
By length: random.
Chemical structure, in %, GOST492-2006 
Ni+Co Fe C Si Mn S P Cu As Pb Mg Sb Bi Residual elements
39 - 41 up to 0,5 up to 0.1 up to 0.1 1 - 2 up to 0.02 up to 0.005 56.1 - 60 up to 0.01 up to 0.005 up to 0.05 up to 0.002 up to 0.002 0,9 in total
 
ASTERMET LLC delivers constantan and other thermocouple wire from stock and by order. Besides wire, it is also possible to deliver constantan strip, plate and circle. The quality of services provided, professional managers, short delivery and reasonable prices are distinguishing us from other companies.
We also offer:
Nichrome
Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
Constantan (44%NICKEL, 1%MANGANESE, 55%COPPER)
 

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