Hafnium Master Alloy Ingot from Mexico
Compact ingot of hafnium with trace elements for alloying in superalloys, used in jet turbine blades. Falls under HTS 8112.39.00.00 as 'other' articles of hafnium, provided hafnium content is ≥99% and not unwrought powder.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide metallurgical assay reports proving hafnium ≥99% to distinguish from Chapter 81 alloys
• Label as 'other hafnium articles'; bulk shipments may require hazardous material declarations if pyrophoric
• Check NRC licensing for nuclear-grade hafnium imports, even if not waste/scrap