Images are for guidance only and might not represent the final product.
Technical Data Sheet
Safety Data Sheet
Wishlist

Invar® Spooled Wire

Invar® Spooled Wire is a nickel-iron alloy wire product offered by Goodfellow in their extensive range of specialty metals. With 120 variations, this low expansion alloy wire provides precise dimensional stability across a range of applications. The controlled thermal expansion properties of Invar alloy make it well suited for precision instruments, optics, and aerospace components where maintaining exact dimensions is critical. The combination of strength, workability, and dimensional stability has established Invar alloy wire as an important engineering material for demanding applications.
Formula: Fe64/Ni36
Product Shape: Spooled
Diameter: 0.25mm
Length: 100m
Temper: Annealed
UOM Code: 035-911-98
SKU: 1000004778
Product Code: FE02-WR-000150

Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Health hazard/Hazardous to the ozone layer

Serious health hazard

Tolerances

Wire
Diameter ±10%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
£246.48
each
  • Buy 5 for £199.65 each and save 19%
  • Buy 10 for £182.39 each and save 26%
No Minimum order Free technical support *Free delivery worldwide

Shipping restrictions and charges
may apply for some hazardous materials.

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

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 160
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 140-150
Tensile strength( MPa ) 450-590
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 75-85
Magnetic Properties
Element Value
Curie temperature( C ) 279
Thermal Properties
Element Value
Melting point( C ) 1427
Specific heat( J K⁻¹ kg⁻¹ ) 515@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 1.7-2@20-90°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8
Other Customers Purchased
  1. Starting at £183.91

    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 £300.82

    each
    Discounts applied for volume purchases
    View Product