Tantalum Tube

Formula: Ta

Form: Tube

Material: Tantalum

CAS Number: 7440-25-7

Commodity: Metals

Purity: 99.9%

Tantalum tubes are utilized in environments requiring high resistance to corrosion, particularly in concentrated acids and high-temperature settings. They are commonly applied in chemical processing reactors, heat exchangers, and components for aerospace, where corrosion resistance and thermal stability are important. In medical applications, such as implants, tantalum’s biocompatibility and ability to withstand body fluids make it a preferred material. Furthermore, their application in research for materials science, semiconductor fabrication, and high-performance electronics benefits from their stability in extreme conditions, such as those found in etching chambers, vacuum systems, or advanced energy systems.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

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Tolerances

Tube

Outside Diameter	=<2mm	±0.05mm
Outside Diameter	2mm - 5mm	±0.1mm
Outside Diameter	>5mm	±5%
Wall Thickness		±10%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	73
Crystal structure	Body centred cubic
Electronic structure	Xe 4f¹⁴ 5d³ 6s²
Valences shown	2,3,4,5
Atomic weight( amu )	180.9479
Thermal neutron absorption cross-section( Barns )	22
Photo-electric work function( eV )	4.1
Natural isotope distribution( Mass No./% )	180/ 0.012
Natural isotope distribution( Mass No./% )	181/ 99.988
Atomic radius - Goldschmidt( nm )	0.147
Ionisation potential( No./eV )	1/ 7.88
Ionisation potential( No./eV )	2/ 16.2

Mechanical Properties

Element	Value
Material condition	Hard
Material condition	Soft
Poisson's ratio	0.342
Poisson's ratio	0.342
Bulk modulus( GPa )	196.3
Bulk modulus( GPa )	196.3
Tensile modulus( GPa )	185.7
Tensile modulus( GPa )	185.7
Hardness - Vickers( kgf mm⁻² )	200
Hardness - Vickers( kgf mm⁻² )	90
Tensile strength( MPa )	760
Tensile strength( MPa )	172-207
Yield strength( MPa )	705
Yield strength( MPa )	310-380

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	13.5@20@20°C
Superconductivity critical temperature( K )	4.47
Temperature coefficient( K⁻¹ )	0.0035@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.33

Physical Properties

Element	Value
Boiling point( C )	5425
Density( gcm⁻³ )	16.6@20°C

Thermal Properties

Element	Value
Melting point( C )	2996
Latent heat of evaporation( J g⁻¹ )	4165
Latent heat of fusion( J g⁻¹ )	174
Specific heat( J K⁻¹ kg⁻¹ )	140@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	57.5@0-100
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	6.5@0-100°C

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Material Properties for Metals