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

American Magnesium Die Castings Surface Treated from Japan

Magnesium alloy die castings produced in US foundries for automotive applications, exported for chemical conversion coating and painting, returned for engine assembly. The surface treatments prevent corrosion and prepare for adhesive bonding. HTS 9802.00.60.00 covers US-origin magnesium metal processed abroad.

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 die casting pattern drawings and US alloy chemistry certifications

Document conversion coating specifications (MIL-M-3171, etc.) and paint adhesion tests

Maintain foundry heat records linking raw castings to processed returns