American Magnesium Die Castings Surface Treated from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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