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Formula: W 75/Re 25
Form: Wire
Material: Tungsten/Rhenium
Commodity: Alloys
Temper: Annealed
Thermocouple Wire: May Be Used As One Component Of A Thermocouple

Tungsten/Rhenium Alloy Spooled Wire (W75/Re25)

Tungsten Rhenium Alloy Spooled Wire (W75/Re25) combines tungsten’s density, hardness, and thermal resistance with rhenium’s ductility and creep resistance, supplied in long, continuous spools for precision applications. With 25% rhenium, this alloy demonstrates enhanced flexibility and reduced brittleness compared to pure tungsten, making it ideal for repeated thermal cycling environments. Industries including aerospace, electronics, and medical imaging utilize W75/Re25 wire in thermocouples, heating filaments, and high-performance electrical contacts. Specific applications include furnace heating elements for crystal growth, aerospace thermocouple wires for extreme monitoring, and electron beam filaments for X-ray systems. In research, W75/Re25 spooled wires are studied for long-term oxidation resistance, microstructural stability under irradiation, and stress rupture behavior. Their unique combination of electrical stability, thermal endurance, and ductility ensures vital roles in propulsion, advanced electronics, and next-generation medical technologies.
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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) <20
Modulus of elasticity( GPa ) 370-430
Tensile strength( MPa ) 1310-2100
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 29
Thermal Properties
Element Value
Melting point( C ) 3100
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.48@0-500°C
Physical Properties
Element Value
Density( gcm⁻³ ) 19.7

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