</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Hafnium Master Alloy Ingot from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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