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Platinum/Iridium Alloy Straight Wire (Pt90/Ir10)

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Properties common to all products in this list

Commodity: Precious Metals Material: Platinum/Iridium Form: Wire Composition: Pt 90/Ir 10 Diameter: 0.45mm Temper: As Drawn
Platinum/Iridium Alloy Straight Wire (Pt90/Ir10) offers exceptional corrosion resistance, outstanding high-temperature stability, and superior mechanical strength compared to pure platinum. The straight wire form ensures precise dimensional consistency, making it ideal for precision electrical contacts, thermocouple wires, and medical device components. In industries such as aerospace, electronics, and biomedical engineering, this alloy is valued for its ability to maintain electrical integrity under extreme thermal and mechanical stress. Specific applications include high-reliability connectors in spacecraft, precision resistance coils in metrology equipment, and surgical instruments requiring biocompatibility. In research, Pt90/Ir10 straight wire is utilized in the development of advanced sensors, catalytic probes, and high-performance electrodes. The combination of platinum’s chemical inertness and iridium’s hardness results in a material that provides longevity and reliability in the most demanding operational environments.
Starting at $483.00 each
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Material Properties

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
each

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Available Configurations

Properties common to all products in this list

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

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%