Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W

Product Details
Customization: Available
Product Type: Wire
Material: Cu, Ni
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Number of Employees
515
Year of Establishment
2002-11-07
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
  • Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
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Basic Info.

Model NO.
6J40/CN49W
Color
Bright
Diameter
0.03 to 2mm
Component
Ni 44%, Cu Balance
Transport Package
Carton, Wooden Case
Specification
Rohs
Trademark
Chengxin
Origin
Jiangyin
HS Code
74082900
Production Capacity
100 Tons / Month

Packaging & Delivery

Package Size
50.00cm * 30.00cm * 30.00cm
Package Gross Weight
20.000kg
Lead Time
5 days (1 - 5000 kg)
To be negotiated ( > 5000 kg)

Product Description

Constantan Wire Copper Nickel Resistance Wire 6j40/ Cn49W

Constantan Wire Copper Nickel Resistance Wire 6j40/Cn49WConstantan Wire Copper Nickel Resistance Wire 6j40/Cn49WConstantan Wire Copper Nickel Resistance Wire 6j40/Cn49WConstantan Wire Copper Nickel Resistance Wire 6j40/Cn49W
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 
constantan wire
Electrical Resistance Wire CuNi44
Name Chemical Composition(%)
C(Carbon) <0.10
Ni (Nickel) 44
Cu(Copper) Rest
Pb(plumbum) <0.005
S(Sulfur) <0.02
Mn(Manganese) 1.00
Si(Silicon) <0.10
Mg(Magnesium) <0.05
Fe(Iron) <0.50
MAX.Continusus serice Temperature°C 400°C
Resistivity 20°C(mm²) 0.48(±0.03)
Elongation at Rupture 25-30%
Tensile strength Mpa >390
Melting Point 1280
Density g/cm3 8.9
TCRx10-6 /°C +40
  
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

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