Tantalum Melting Crucible
A cylindrical tantalum crucible used in vacuum arc melting furnaces for producing high-purity metals and alloys in aerospace applications. Classified under HTS 8103.91.00.00 due to its tantalum construction and function as a vessel for melting at elevated temperatures.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made primarily of niobium with minor tantalum content
Niobium predominates as base metal, classifying under niobium articles per Chapter 81 alloy definitions.
If in form of waste or scrap from crucible manufacturing
Tantalum waste and scrap explicitly covered under 8103.30, separate from finished crucibles.
If integrated into laboratory heating furnace assemblies
Complete lab furnaces or ovens classify under Chapter 84 machinery, not individual components.
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Import Tips & Compliance
• Declare exact dimensions and capacity; small lab sizes may trigger different valuation scrutiny
• Ensure no tungsten or niobium alloying exceeds base metal limits per Chapter 81 notes to avoid reclassification
• Provide safety data sheets for handling reactive tantalum at high temperatures during customs inspection
Related Products under HTS 8103.91.00.00
Tantalum Evaporation Crucible
A high-purity tantalum crucible designed for thermal evaporation processes in semiconductor and thin-film coating applications. It falls under HTS 8103.91.00.00 as a crucible made primarily of tantalum, used to contain and heat materials to extreme temperatures without contamination.
Tantalum Crystal Growth Crucible
A boat-shaped tantalum crucible for Czochralski crystal growth processes in optics and electronics production. Under HTS 8103.91.00.00 for its tantalum composition and role in containing molten material during crystal pulling.
Tantalum Sputtering Target Crucible
A tantalum cup crucible holding sputtering material for PVD thin-film deposition in microelectronics. Classified in HTS 8103.91.00.00 for its crucible form and tantalum material used in vacuum heating.
Tantalum Powder Metallurgy Crucible
Tantalum crucible for hot isostatic pressing (HIP) of powder metal parts in medical implants. HTS 8103.91.00.00 applies to this tantalum container for high-pressure, high-temperature sintering.
Tantalum Flux Crucible
Tantalum crucible resistant to fluoride fluxes in rare-earth element extraction processes. HTS 8103.91.00.00 covers this chemical-resistant tantalum vessel used in flux melting.
Tantalum Lab Analysis Crucible
A small, precision tantalum crucible for gravimetric analysis in chemical laboratories, resistant to acids and high heat. It qualifies for HTS 8103.91.00.00 as a tantalum article specifically shaped and used as a crucible for sample preparation.