Tantalum Plate/Sheet/Disc

Standard: ASTM B365, ASTM F560 (Medical Grade), ASTM B708

Material: R05200, R05400, R05252, R05255, R05240

Custom sizes and standard sizes in stock
Quick Lead Time
Competitive Price

Tantalum Plate/Sheet/Disc is manufactured incomplicance with ASTM B365 standards, using high-purity raw materials to ensure excellent corrosion resistance and high-temperature stability. Heeger Materials also supplies tantalum alloy plate/sheet/disc in various specifications, and can provide customized solutions to meet specific reuqirements.

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Tantalum Plate/Sheet/Disc Data Sheet

Reference:	HMTA0015
Dimensions:	Plate: Thickness >0.1875″ × Width >6″ × Length <7ft Sheet: Thickness 0.001″-0.1875″ × Width >6″ × Length Disc: Diameter 0.1″- 36″ × Thick 0.04″-5″
Standard:	ASTM B708, ASTM B365, ASTM F560 (Medical Grade)
Material:	R05200, R05400, R05252, R05255, R05240
Purity:	99%, 99.9%, 99.95%, 99.99%, 99.999%
Temper:	Annealed or Unannealed

Tantalum Plate

Tantalum and Tantalum Alloy plates are produced through a rolling process, offering exceptional performance and a uniform grain structure. The thickness is typically >0.1875″. The products are strictly manufactured according to ASTM B708 standards and can be customized to meet specific customer requirements.

Tantalum Sheet

Tantalum and Tantalum Alloy sheets exhibit excellent deformability even at temperatures below room temperature, allowing for easy punching, cutting, drawing, and pressing. The thickness is typically <0.1875″. HM can cut it to exact dimensions with very tight tolerances.

Tantalum Disc

Tantalum and Tantalum Discs are manufactured through a rolling process. The regular dimensions in stock are as follows:

Code	Product	Purity	Dimensions
EJTTAXX351A2	Tantalum Disc	Ta, 99.95%	1.00″ Dia. x 0.125″ Thick
EJTTAXX351A4	Tantalum Disc	Ta, 99.95%	1.00″ Dia. x 0.250″ Thick
EJTTAXX352A2	Tantalum Disc	Ta, 99.95%	2.00″ Dia. x 0.125″ Thick
EJTTAXX352A4	Tantalum Disc	Ta, 99.95%	2.00″ Dia. x 0.250″ Thick
EJTTAXX353A2	Tantalum Disc	Ta, 99.95%	3.00″ Dia. x 0.125″ Thick
EJTTAXX353A4	Tantalum Disc	Ta, 99.95%	3.00″ Dia. x 0.250″ Thick
EJTTAXX354A2	Tantalum Disc	Ta, 99.95%	4.00″ Dia. x 0.125″ Thick
EJTTAXX354A4	Tantalum Disc	Ta, 99.95%	4.00″ Dia. x 0.250″ Thick
EJTTAXX356A4	Tantalum Disc	Ta, 99.95%	6.00″ Dia. x 0.250″ Thick
EJTTAXX358A2	Tantalum Disc	Ta, 99.95%	8.00″ Dia. x 0.125″ Thick
EJTTAXX358A4	Tantalum Disc	Ta, 99.95%	8.00″ Dia. x 0.250″ Thick

Tantalum Plate/Sheet/Disc Applications

Electronics: Tantalum plates, sheets, and discs are widely used in capacitors for communications, computing, automotive electronics, and aerospace applications.
Chemical Industry: Tantalum plates, sheets, and discs are used in manufacturing reactors, heaters, coolers, and other chemical processing equipment.
Medical: Tantalum plates, sheets, and discs are used to make medical implants and instruments, including bone plates and sutures.
Aerospace: Tantalum plates, sheets, and discs are essential for high-temperature components and protective materials in aerospace applications.
Nuclear: Tantalum plates, sheets, and discs are used in structural materials for nuclear reactors and fuel cladding.

Tantalum and Tantalum Alloy

R05200, unalloyed tantalum, electron-beam furnace vacuum-arc melt, or both
R05400, unalloyed tantalum, powder-metallurgy consolidation.
R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both.
R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both.
R05240, tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

Tantalum Plate/Sheet/Disc Packaging

The Tantalum Plate/Sheet/Disc is carefully placed in wooden cases or cartons, with additional support from soft materials, to prevent shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Tantalum Properties

Item	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

Item	Value
Material condition	Unannealed (Hard)
Material condition	Annealed (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

Item	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

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

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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To customize your tantalum plate, sheet, and disc, please provide the following details:

Thickness x Width x Length (for the plate and sheet)
Diameter x Thickness (for the disc)
Purity of the material
Quantity of the products you need
Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of tantalum and tantalum alloy products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

DFARS (Defense Federal Acquisition Regulation Supplement) compliance is primarily concerned with the sourcing of materials for defense-related applications in the United States. According to DFARS, certain materials used in defense must be sourced from the United States or qualifying countries.

If you have specific tantalum materials that are subject to DFARS, please let us know in advance and we will confirm.

At Heeger Materials Inc., we take this responsibility seriously. We adhere to all applicable laws and regulations, including Section 1502 of the Dodd-Frank Act. Our company operates with a strict code of ethics and is committed to only partnering with suppliers who share our dedication to responsible sourcing. We support the initiatives and programs aimed at promoting “conflict-free” supply chains and work diligently to ensure that our products meet these standards.

Heeger Materials Inc., established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of tantalum and tantalum alloys. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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Other Tantalum Products

Heeger Metal offers a comprehensive range of tantalum and tantalum alloy products, renowned for their outstanding corrosion resistance, high melting point, and stability in harsh environments. These characteristics make them ideal for demanding applications in the aerospace, electronics, and chemical processing industries. Our high-purity tantalum materials deliver exceptional performance and reliability in challenging conditions.

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Heeger Metal offers a wide range of custom plate, sheet, and disc products, available in materials like tungsten, molybdenum, titanium, and nickel alloys. Our precision-engineered products are ideal for various industrial applications, including aerospace, electronics, and energy. Whether you need flat plates, thin sheets, or precision-cut discs, we provide tailored solutions with exceptional strength, durability, and high-performance characteristics to meet your specific requirements.

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Disc Products

Heeger Metal offers a wide range of metal and alloy disc products. Our precision-engineered discs are ideal for applications in aerospace, electronics, and industrial sectors, providing excellent strength, durability, and thermal conductivity. Whether you need custom metal discs or standard metal alloy discs, our products ensure high performance and exceptional quality.