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Formula: Pt 90/Ir 10
Form: Tube
Material: Platinum/Iridium Alloy
Commodity: Precious Metals
Temper: As Drawn

Platinum/Iridium Alloy Tube (Pt90/Ir10)

Platinum/Iridium Alloy Tube (Pt90/Ir10) is a high-performance alloy offered by Goodfellow in its range of tubes. With 27 variations, this alloy combines the corrosion resistance of platinum with the hardness of iridium. Typical applications for Platinum/Iridium alloy tubes include electrical contacts, crucibles, thermocouple elements, and components for the glass, chemical, and medical industries where corrosion resistance and high-temperature performance are required.
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Tolerances

Tube
Outside Diameter =<2mm ±0.05mm
Outside Diameter 2mm - 5mm ±0.1mm
Outside Diameter >5mm ±5%
Wall Thickness ±10%

Material Properties for Precious Metals

Mechanical Properties
Electrical Properties
Thermal Properties
Physical 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

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