Platinum/Iridium Alloy Straight Wire (Pt90/Ir10)

Formula: Pt 90/Ir 10

Form: Wire

Material: Platinum/Iridium Alloy

Commodity: Precious Metals

Diameter: 0.45mm

Temper: As Drawn

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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Technical Data Sheet Safety Data Sheet Tolerance Properties

each

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