Tungsten Alloy Round Bar
A solid cylindrical bar made from tungsten alloy, used in high-temperature applications like aerospace components. It falls under HTS 8101.99.10.00 as a bar not obtained by simple sintering, with tungsten content less than 99% but predominant per Chapter 81 notes. Precision-machined for durability in extreme environments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure tungsten content >=99%
Pure tungsten bars shift to 8101.91 as 'unwrought or powder' related, per alloy definition excluding >=99% purity.
If machined into tools like drill bits
Finished tungsten tools for interchangeable use classify under Chapter 82 as tool articles, not raw shapes.
If further processed into finished pump blades
Machined into transmission shafts or blades for pumps, moving to Chapter 84 as specific machinery parts.
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Import Tips & Compliance
• Verify alloy composition via mill test certificate to confirm tungsten predominance and avoid misclassification as pure tungsten
• Ensure documentation proves not simply sintered; include manufacturing process details for CBP review
Related Products under HTS 8101.99.10.00
Tungsten Sheet for Heat Shields
Thin tungsten alloy sheet used in spacecraft heat shields due to high melting point. Classified under HTS 8101.99.10.00 for sheets not simply sintered, with alloyed composition as defined in Chapter 81 notes. Offers superior thermal resistance.
Tungsten Wire Profile for Lamp Filaments
Drawn tungsten alloy profile in wire form for incandescent lamp filaments. Fits HTS 8101.99.10.00 as profiles not simply sintered, alloyed per notes. High tensile strength for lighting applications.
Tungsten Alloy Plate for Radiation Shielding
Dense tungsten alloy plate for medical radiation shielding in X-ray rooms. Under HTS 8101.99.10.00 as plate not sintered simply, alloy composition per Chapter 81. Blocks gamma rays effectively.
Tungsten Strip for EDM Electrodes
Narrow tungsten alloy strip for electrical discharge machining electrodes. Classifies in HTS 8101.99.10.00 for strip forms not simply sintered, alloyed tungsten base. Precision cutting applications.
Tungsten Foil for Thin-Film Deposition
Ultra-thin tungsten alloy foil (<0.2mm) for vapor deposition in electronics. HTS 8101.99.10.00 covers foil not simply sintered, with alloy per notes. Enables microcircuit fabrication.
Tungsten Rod for X-Ray Targets
High-purity tungsten alloy rod for rotating X-ray tube targets. Under HTS 8101.99.10.00 as rod not sintered simply. Withstands intense electron bombardment.