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Platinum/Rhodium Alloy Spooled Wire (Pt70/Rh30)

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Commodity: Precious Metals Material: Platinum/Rhodium Form: Wire Composition: Pt 70/Rh 30
Platinum Rhodium Alloy Spooled Wire (Pt70/Rh30) provides exceptional high-temperature stability, oxidation resistance, and mechanical strength in a continuous wire format optimized for extended industrial and research applications. The higher rhodium content increases hardness and creep resistance, making it well-suited for thermocouple fabrication, heating element construction, and high-precision sensor wiring in aerospace and process industries. Its spooled form allows for efficient deployment in long runs without compromising dimensional accuracy, enabling applications such as industrial furnace monitoring, aerospace exhaust gas temperature measurement, and catalyst support wiring. In research, this alloy is utilized for long-term thermal fatigue studies, development of high-endurance electrical contacts, and experimental high-temperature signal transmission systems. The combination of noble metal chemistry, mechanical resilience, and convenient spool handling ensures long service life and dependable performance in extreme environments.
Starting at $352.00 each
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Material Properties

Mechanical Properties
Element Value
Hardness - Brinell 130-238
Elongation at break( % ) 30
Tensile strength( MPa ) 460-930
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 18.8
Temperature coefficient( K⁻¹ ) 0.0014
Thermal Properties
Element Value
Melting point( C ) 1920-1930
Physical Properties
Element Value
Density( gcm⁻³ ) 17.6
each

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Available Configurations

Properties common to all products in this list

Commodity: Precious Metals Material: Platinum/Rhodium Form: Wire Composition: Pt 70/Rh 30

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%