Chapter 8103 — Customs Tariff Headings

Atomized Tantalum Powder -325 Mesh

Gas-atomized tantalum powder with spherical particles under 44 microns, intended for thermal spraying and metal injection molding. It is classified as unwrought tantalum powder under tariff item 8103.20.00 because it has not been sintered or further worked.

Atomized Tantalum Powder -45 Micron

Gas-atomized tantalum powder with particle size under 45 microns, ideal for 3D printing and thermal spraying. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not sintered or shaped. Purity exceeds 99.95%, qualifying as high-purity unwrought tantalum.

Electron Beam Melted Tantalum Powder

Electron beam melted tantalum powder for aerospace implants and medical devices. Despite the advanced production method, this powder is unwrought under tariff item 8103.20.00 as it is in powder form and not further processed. Purity exceeds 99.9%.

High-Purity Tantalum Granules

Irregular-shaped tantalum granules (1-5 mm) produced by gas atomization, used in capacitor manufacturing and powder metallurgy. This unwrought form falls under tariff item 8103.20.00 as 'other' tantalum powders and granules, excluding sintered products.

High-Purity Tantalum Powder 99.99%

Ultra-high purity tantalum powder (4N grade, 99.99%) for semiconductor sputtering targets. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not further processed. It exceeds the purity threshold defined in the chapter notes.

High-Purity Tantalum Sintered Bar

High-purity tantalum sintered bar stock, 99.95% purity, produced by sintering tantalum powder into a solid bar form. This product is unwrought as it has not been further worked beyond the sintering process, and is explicitly included in tariff item 8103.20.00 as bars and rods obtained simply by sintering. It is primarily used as anode material in capacitor production.

Hydride-Dehydride Tantalum Powder

Angular tantalum powder (50-150 microns) made via hydride-dehydride process, used for powder metallurgy pressing. It is classified as unwrought tantalum powder under tariff item 8103.20.00 because it is in a raw, non-sintered state.

Simply Sintered Tantalum Billet

Cylindrical sintered tantalum billet intended for forging into sheets. This product is unwrought under tariff item 8103.20.00 because it is obtained simply by sintering and has not been shaped into a finished article. It is used in the production of heat exchanger components.

Sintered Tantalum Rod 10mm Diameter

Tantalum rods of 10mm diameter produced simply by sintering tantalum powder. These rods are unwrought and explicitly included in tariff item 8103.20.00 as bars and rods obtained simply by sintering. They are used in chemical processing equipment due to tantalum's corrosion resistance.

Sintered Tantalum Round Rod 99.95%

Precision sintered tantalum round rod with 99.95% purity, used for fabricating acid-resistant laboratory equipment. This rod is unwrought under tariff item 8103.20.00 as it is obtained simply by sintering and has not been further processed. It offers superior corrosion resistance, particularly against hydrofluoric acid.

Spherical Tantalum Powder for AM

Spherical tantalum powder for laser powder bed fusion additive manufacturing. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and suitable for sintering, not an article. It is not further processed beyond the atomization step.

Tantalum Fine Powder 99.99% Electronics Grade

Ultra-fine tantalum powder with 99.99% purity, designed for thin-film deposition in semiconductor manufacturing. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and has not been sintered or further processed. It is essential for producing microelectronic capacitors.

Tantalum Flake Powder for Electronics

Flake-shaped tantalum powder (10-50 microns) optimized for electrolytic capacitor anodes. It falls under tariff item 8103.20.00 as unwrought tantalum powder, valued for its high surface area in electronics, and is not sintered or wrought.

Tantalum Metal Powder -40+100 Mesh

Coarse tantalum powder in -40+100 mesh size, used for additive manufacturing and powder metallurgy processes. This powder is unwrought under tariff item 8103.20.00 as it is in elemental powder form, not sintered or shaped. It has a high melting point suitable for aerospace applications.

Tantalum Metal Powder for Capacitors

Fine tantalum powder optimized for sintered anode production in electrolytic capacitors. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not alloyed per chapter notes. It is used in electronics manufacturing.

Tantalum Metal Powder for Sputtering Targets

Ultra-fine tantalum powder (1-10 microns) for plasma spraying and sputtering target production in semiconductor manufacturing. Classified under tariff item 8103.20.00 as unwrought tantalum powder, not sintered or shaped.

Tantalum Powder -200 Mesh Aerospace

Ultra-fine -200 mesh tantalum powder used as a superalloy additive in jet engine components. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not further processed. It enhances high-temperature strength in aerospace applications.

Tantalum Powder -325 Mesh

Tantalum powder passing a 325 mesh sieve, produced without sintering, used in powder metallurgy and alloying. It is classified as unwrought tantalum powder under tariff item 8103.20.00 because it is in a raw, non-sintered form.

Tantalum Powder 99.995% 5N Pure

Ultra-high purity tantalum powder (99.995% Ta) for superconducting wire production. Classified as unwrought powder under tariff item 8103.20.00, essential for vacuum arc remelting, with the lowest impurity levels for critical applications.

Tantalum Powder 99.9% Pure

High-purity tantalum powder at 99.9% purity, used in electronics manufacturing for sputtering targets and alloy additives. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not further processed into articles. It meets the definition of powders in section note 8.

Tantalum Powder for 3D Printing

Spherical tantalum powder optimized for selective laser melting in medical implant production. This powder is unwrought under tariff item 8103.20.00 as it is in powder form and not sintered or further processed. It is biocompatible and suitable for surgical applications.

Tantalum Powder for Additive Manufacturing

Spherical tantalum powder (15-45 microns) certified for selective laser melting (SLM) in medical implants. Unwrought form under tariff item 8103.20.00, supplied ready for 3D printing without sintering, meeting aerospace and medical standards.

Tantalum Powder Tantalum-10W

Tantalum powder alloyed with 10% tungsten (Ta-90%, W-10%), used in high-temperature aerospace applications. Still classified under tariff item 8103.20.00 as unwrought tantalum where tantalum exceeds other elements by weight.

Ultra-Fine Tantalum Powder <1 Micron

Nanoscale tantalum powder (D50 <1 micron) for advanced coatings and catalysts. Tariff item 8103.20.00 applies to this unwrought, high-purity powder form, with particle size enabling unique applications without further processing.

Unwrought Tantalum Ingot Sintered

Large sintered tantalum ingot intended for remelting into rods, obtained by powder sintering. This ingot is unwrought under tariff item 8103.20.00 as it is obtained simply by sintering and has not been further worked. It is used in vacuum arc remelting processes.

Rejected Tantalum Ingots

Off-specification tantalum ingots from electron beam melting, exhibiting cracks or impurities, are destined for remelting. These ingots are not usable as finished articles due to their defects, qualifying them as waste and scrap under tariff item 8103.30.00.

Spent Tantalum Sputtering Targets

Spent tantalum sputtering targets, depleted after use in semiconductor thin-film deposition, are no longer viable for their original purpose. Their eroded and contaminated state renders them unusable as targets, qualifying them as waste and scrap under tariff item 8103.30.00.

Tantalum Chemical Reactor Scrap

Corroded sections removed from tantalum-lined chemical reactors, exposed to aggressive acids, are no longer usable in their original form. This heavy scrap is definitively not usable as reactor components, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Electrolyte Anode Scrap

Spent basket anodes from tantalum anodizing processes for capacitor leadwires, heavily pitted from use, are no longer functional. These anodes are definitively not usable as such due to wear, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Etching Residue

Tantalum etching residue is a fine particulate recovered from chemical etching baths used in circuit board manufacturing. Once dried, it consists primarily of tantalum metal in powder form and is considered waste and scrap under tariff item 8103.30.00. This material is not usable as-is and is imported for recycling or recovery of tantalum content.

Tantalum Evaporation Boat Scrap

Deformed and spent tantalum boats used for vacuum evaporation of metals in thin film coating are no longer usable for their intended purpose. Their deformation and contamination render them waste and scrap under tariff item 8103.30.00.

Tantalum Foil Trimmings

Edge trimmings and offcuts from tantalum foil used in chemical processing equipment are generated during sheet fabrication. These trimmings are high-purity tantalum but are not usable as foil, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Furnace Linings Scrap

Eroded tantalum fragments from high-temperature vacuum furnace crucibles used in superalloy production are no longer usable as crucibles. Their erosion and structural degradation qualify them as waste and scrap under tariff item 8103.30.00.

Tantalum Implant Manufacturing Scrap

Precision-machined waste from tantalum orthopedic screws and plates production, including sprues and flashings, is generated during manufacturing. This material is not usable as medical devices, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Machining Turnings

Fine curls and chips of tantalum produced from lathe and milling operations on tantalum rods or sheets for aerospace components are typical machining waste. These turnings are not usable as components, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Powder Waste

Oversized or contaminated tantalum powder from atomization processes for additive manufacturing feedstock is not usable for its intended purpose. This powder is waste and scrap under tariff item 8103.30.00, as it fails to meet specifications.

Tantalum Scrap from Capacitor Manufacturing

Waste tantalum material from electrolytic capacitor production, including shavings, clippings, and rejected components containing at least 99% tantalum by weight, is generated during manufacturing. This material is not usable as capacitors, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Sheet Clippings

Irregular clippings from tantalum sheets cut for corrosion-resistant heat exchangers in chemical plants are generated during fabrication. These clippings are not usable as sheet, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Superalloy Pour Scrap

Overflow and chill scrap from tantalum-containing superalloy investment casting for turbine blades, with segregated tantalum-rich portions, is generated during casting. This scrap is not usable as turbine blades, qualifying as waste and scrap under tariff item 8103.30.00 if it meets the definition.

Tantalum Wire Scrap

Short lengths and tangled remnants of tantalum wire from medical implant production are recoverable for remelting. These remnants are not usable as wire, qualifying as waste and scrap under tariff item 8103.30.00.

Tantalum Annealing Crucible

A boat-shaped crucible made of tantalum, designed to hold semiconductor wafers during annealing in hydrogen atmospheres. Its tantalum construction provides high-temperature resistance and chemical inertness, making it suitable for heat treatment processes. This product is classified under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Crystal Growth Crucible

A boat-shaped tantalum crucible used for Czochralski crystal growth, containing molten material during the pulling of single crystals for optics and electronics. The high melting point and purity of tantalum make it ideal for this process. It falls under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Evaporation Crucible

A high-purity tantalum crucible used in thermal evaporation processes for semiconductor and thin-film coating applications. Its tantalum composition ensures resistance to high temperatures and corrosive materials during evaporation. This product is classified under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Flux Crucible

A tantalum crucible designed to withstand fluoride fluxes used in rare-earth element extraction processes. Its chemical resistance and high-temperature stability make it suitable for flux melting applications. This product falls under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Investment Casting Crucible

A tantalum shell crucible used for vacuum induction melting in investment casting of turbine components. Its tantalum construction provides high-temperature strength and resistance to molten alloys. This product is classified under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Lab Analysis Crucible

A small, precision tantalum crucible designed for gravimetric analysis in chemical laboratories, resistant to acids and high heat. Its tantalum material ensures durability and accurate measurements in analytical procedures. This product falls under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Melting Crucible

A cylindrical tantalum crucible used in vacuum arc melting furnaces for producing high-purity metals and alloys in aerospace applications. Its tantalum construction withstands extreme temperatures and vacuum conditions. This product is classified under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Powder Metallurgy Crucible

A tantalum crucible used for hot isostatic pressing (HIP) of powder metal parts in medical implants. Its tantalum material provides high-pressure and high-temperature resistance during sintering. This product falls under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Sputtering Target Crucible

A tantalum cup crucible designed to hold sputtering material for PVD thin-film deposition in microelectronics. Its tantalum construction ensures thermal stability and minimal contamination during vacuum heating. This product is classified under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Vacuum Arc Crucible

A heavy-duty tantalum crucible used for vacuum arc remelting (VAR) of superalloys in turbine blade manufacturing. Its tantalum construction provides exceptional strength and resistance to extreme temperatures. This product falls under tariff item 8103.91.00 as a crucible of tantalum.

Tantalum Chemical Reaction Vessel

A fabricated tantalum vessel designed for handling hot acids in pharmaceutical production. Its welded construction from tantalum sheet and plate ensures exceptional corrosion resistance, making it an 'other' article of tantalum under this tariff item.

Tantalum Crucible for Lab Use

A machined tantalum crucible used in chemical laboratories and metallurgy for its resistance to acids. This fabricated vessel is classified as an 'other' article of tantalum, excluding waste or powders, under this tariff item.

Tantalum Disc for Electronics

Stamped tantalum discs used as anodes in capacitors, precision-formed from sheet material. These fabricated articles fall under this tariff item as 'other' tantalum articles, not qualifying as unwrought or waste.

Tantalum Evaporation Boat

A folded tantalum boat used for vacuum evaporation of metals in thin-film production. Its high-temperature resistance and specialized design make it an 'other' fabricated article of tantalum under this tariff item.

Tantalum Fastener Set

A set of bolts, nuts, and screws made from tantalum for use in corrosive environments. These machined fasteners are classified as 'other' articles of tantalum under this tariff item, as they are not parts of general use under Section XV.

Tantalum Foil for Capacitors

Thin tantalum foil sheets rolled for use in electrolytic capacitors due to their high capacitance. This product falls under this tariff item as an 'other' tantalum article, not qualifying as bars, rods, or waste, and is distinct from wire or powder forms.