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Formula: Pt 90/Ir 10
Form: Wire
Material: Platinum/Iridium Alloy
Commodity: Precious Metals
Diameter: 0.45mm
Temper: As Drawn

Platinum/Iridium Alloy Straight Wire (Pt90/Ir10)

Goodfellow’s Platinum/Iridium Alloy Straight Wire (Pt90/Ir10) is an alloy wire composed of platinum and iridium. With high stiffness and good ductility, this wire can be formed into various shapes while maintaining strength. Platinum/Iridium Alloy Straight Wiresuits applications requiring corrosion resistance and biocompatibility. Example applications include high temperature thermocouples and electrical contacts. With 6 variations, Goodfellow’s range of Platinum/Iridium Alloy Straight Wire caters to diverse needs.
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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Precious Metals

Mechanical Properties
Element Value
Hardness - Brinell 130-190
Elongation at break( % ) <25
Tensile strength( MPa ) 380-620
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 25
Temperature coefficient( K⁻¹ ) 0.0013
Thermal Properties
Element Value
Melting point( C ) 1800
Thermal conductivity( W m⁻¹ K⁻¹ ) 31@23
Thermal conductivity( W m⁻¹ K⁻¹ ) 31@23C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.7@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 21.56

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