Tantalum/Tungsten Alloy Rod (Ta97.5/W2.5)

Tantalum Tungsten Alloy Rod (Ta97.5/W2.5) combines tantalum’s corrosion resistance and ductility with tungsten’s strength and thermal resilience in a rigid cylindrical form designed for load-bearing and precision-engineering tasks. This alloy withstands aggressive chemical environments and sustained high temperatures, making it ideal for furnace components, aerospace fasteners, and electrical connector pins in high-specification systems. Applications include tooling for chemical vapor deposition, medical device components requiring biocompatibility, and high-vacuum structural supports. In research contexts, it is used for mechanical stress testing, high-temperature material compatibility trials, and custom electrode fabrication. The alloy’s balance of mechanical integrity and chemical stability in rod form ensures dependable service across both industrial and scientific domains.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	<20
Modulus of elasticity( GPa )	186
Hardness - Vickers( kgf mm⁻² )	115-160
Tensile strength( MPa )	240-310

Thermal Properties

Element	Value
Melting point( C )	3014
Specific heat( J K⁻¹ kg⁻¹ )	141@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	55@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	6.48@20-500°C