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Tantalum Rod, Tantalum Bar

Tantalum Rod, Tantalum Bar

Tantalum rods are cylindrical shaped bars made of pure tantalum metal that are commonly used in various applications due to their excellent mechanical and chemical properties. Tantalum rods have high melting and boiling points, high strength, and good ductility, making them suitable for use in the manufacture of various components and equipment.

Tantalum rods are widely used in the aerospace industry, where they are used to manufacture engine components, rocket nozzles, and other high-temperature parts. They are also used in the medical industry for the production of implants, such as pacemaker cases, because of their biocompatibility and corrosion resistance. Other applications of tantalum rods include chemical processing, electronics, and nuclear power generation.

Tantalum Rod Properties (Theoretical)

Molecular Weight 180.94
Appearance Silvery-gray solid
Melting Point 3017 °C
Boiling Point 5458 °C
Density 16.69 g/cm3 (20 °C)
Solubility in H2O N/A
Crystal Phase / Structure α: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity 131 nΩ·m (20 °C)
Electronegativity 1.5 Paulings
Heat of Fusion 36.57 kJ/mol
Heat of Vaporization 753 kJ/mol
Poisson's Ratio 0.34
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


Diameter 0.125 inch ~ 8 inch
Purity 99.95% ,99.99%
Standard ASTM B365, ASTM F560
Condition Annealed, Unannealed

Tantalum Rod Specifications


Tantalum and Tantalum Alloy Rod/Bar


Diameter 0.125” - 2.5” x Length < 10’


99.9% - 99.999%


UNS R05200, UNS R05400, R05252 Ta-2.5W, R05255 Ta-10W, Ro5240 Ta-40Nb


ASTM B365,  ASTM F560 (Medical Grade)

Tantalum Rod Of Common Sizes

Catalog Number Chemical Formula Diameter Purity Temper
TA007910 Ta 1.0 mm 99.95%  As Rolled
TA007915 Ta 1.5 mm 99.95% Annealed
TA007917 Ta 1.7 mm 99.95% Annealed
TA007920 Ta 2.0 mm 99.95% Annealed
TA007926 Ta 3.0 mm 99.95% Annealed
TA007930 Ta 5.0 mm 99.95% Annealed
TA007935 Ta 6.35 mm 99.95% Annealed
TA007940 Ta 10.0 mm 99.95% Annealed
TA007942 Ta 12.7 mm 99.95% Annealed
TA007945 Ta 16 mm 99.95% As drawn
TA007948 Ta 18 mm 99.95% Annealed
TA007950 Ta 20.0 mm 99.95% Annealed
TA007955 Ta 25 mm 99.95% As Rolled 
TA007960 Ta 30.0 mm 99.95% Unannealed
TA007961 Ta 30 mm 99.95%  As Rolled
TA007970 Ta 40.0 mm 99.95% Unannealed
TA007972 Ta 50 mm 99.95% Annealed
TA007975 Ta 75 mm 99.95% Annealed
TA007995 Ta 100 mm 99.95%  As Rolled


We handle our products with care to ensure they remain in their original condition during storage and transportation and to preserve their quality.

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