Tantalum flanges are best known for its unmatched corrosion resistance and chemical inertness. Tantalum flanges have a similar corrosion resistance to that of glass, but all of the typical mechanical and electrical properties of a metal.
All tantalum flanges are available in the form of tantalum loose linings or with the Ultra-Metal tantalum diffusion surface on select flange styles. Due to the cost and limited mechanical properties of tantalum, solid tantalum flanges are rarely used.
Advanced Refractory Metals is a trusted supplier of tantalum flange and a wide variety of tantalum products.
Tantalum Flange Properties (Theoretical)
|Melting Point||3017 °C|
|Boiling Point||5458 °C|
|Density||16.69 g/cm3 (20 °C)|
|Crystal Phase / Structure||α: body-centered cubic (bcc) / β: tetragonal|
|Electrical Resistivity||131 nΩ·m (20 °C)|
|Heat of Fusion||36.57 kJ/mol|
|Heat of Vaporization||753 kJ/mol|
|Specific Heat||140 J/kg·K|
|Thermal Conductivity||57.5 W/m·K|
|Thermal Expansion||6.3 µm/m·K|
|Vickers Hardness||870–1200 MPa|
|Young's Modulus||186 GPa|
* Used in laboratory equipment.
* Used as a substitute for platinum.
* Used in manufacturing superalloys and electron-beam melting.
* Used in metallurgical, machinery processing, glass and ceramic industries.
Our tantalum flanges are carefully handled to prevent damage during storage and transportation and to preserve the quality of our product in its original condition.
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These flanges are exactly as stated on the web description. They came on time and were individually wrapped.
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