Images are for guidance only and might not represent the final product.
Formula: Cu 55/Ni 45
Form: Wire
Material: Constantan®
Commodity: Alloys
Temper: Annealed
Thermocouple Wire: May Be Used As One Component Of A Thermocouple
Hazard Pictogram: GHS07, GHS08
Goodfellow Constantan® Spooled Wire is a high-performance copper-nickel alloy designed for advanced research and industrial applications. This annealed wire is ideal for thermocouples, resistors, and strain gauges due to its stable electrical resistivity, which remains consistent despite temperature fluctuations. It excels in harsh environments, such as industrial furnaces and high-current applications, thanks to its durability and resistance to oxidation and corrosion. This wire is essential for sensor applications in aerospace and automotive industries, where precision is crucial. Additionally, it is widely used in research and development for prototyping sensors and electronic components, aiding advancements in materials science and engineering.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

We are collecting your products, please wait!...

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 100-300
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 162
Izod impact strength( J m⁻¹ ) 107
Tensile strength( MPa ) 400-590
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 52
Temperature coefficient( K⁻¹ ) 0.00002+/-
Thermal Properties
Element Value
Maximum use temperature in air( C ) 500
Melting point( C ) 1225-1300
Thermal conductivity( W m⁻¹ K⁻¹ ) 19.5@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14.9@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.9

Can't find what you're looking for? For customized options

Other Customers Purchased
  1. Starting at $234.48

    each
    Discounts applied for volume purchases
    View Product
  2. Wollaston Platinum/Rhodium Alloy Spooled Wire (Pt90/Rh10) Grade: Wollaston
    Formula: Pt90/Rh10
    Product Shape: Spooled
    Diameter: 0.005mm
    Length: 0.1m
    Outside Diameter: 0.025 - 0.1mm
    UOM Code: 000-066-13


    Wollaston wire, Silver coated.
    Overall outside diameter approx 0.025mm - 0.1mm.
    The weight shown is for the core only.
    The Silver outer sheath may be dissolved in aqueous 10% Nitric Acid.

    Starting at $383.54

    each
    Discounts applied for volume purchases
    View Product