Aerospace-Grade Magnesium Slabs 99.8% from Japan
Flat rectangular slabs of unwrought magnesium with minimum 99.8% purity, cast for rolling into sheets used in aircraft structures. This qualifies for HTS 8104.11.00.00 as primary unwrought metal meeting the high purity standard per chapter notes.
Duty Rate — Japan → United States
8%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include traceability documentation from smelter to prove unwrought status and purity
• Beware of partial working like surface machining, which could reclassify to 8104.90
• Coordinate with CBP for advance rulings on purity testing methods to expedite clearance