Tantalum Coil

Tantalum Coil provides high-purity tantalum in a flexible sheet form rolled into a coil, enabling easy handling and fabrication. Known for its exceptional corrosion resistance, high melting point (3017 °C), and ductility, tantalum coil is suited for forming into complex geometries while retaining mechanical integrity. Industries such as chemical processing, aerospace, and electronics use tantalum coil for lining reaction vessels, fabricating heat exchangers, and producing shielding in high-temperature systems. Specific applications include corrosion-resistant gaskets, sputtering targets cut from coil stock, and precision-formed chemical handling components. In research, tantalum coil is valued for studies on formability under cold and hot working conditions, metallurgical bonding with dissimilar metals, and high-performance chemical-resistant structures. Its combination of malleability, chemical inertness, and thermal stability ensures utility across advanced manufacturing and engineering sectors.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Coil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%
Thickness	>0.05mm	±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