Unwrought Sintered Tungsten Bar for Aerospace Alloys from Mexico
Pure tungsten bars created through sintering process, supplied unwrought for melting into high-temperature aerospace superalloys. Classified under HTS 8101.94.00.00 due to being bars obtained simply by sintering without additional processing. Essential for turbine blades and rocket nozzles requiring extreme heat resistance.
Duty Rate — Mexico → United States
16.6%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include mill test reports confirming >99% tungsten content to distinguish from Chapter 81 alloys
• Declare as 'unwrought' with sintering process details; overworking leads to higher duties under other subheadings