American Magnesium Die Castings Surface Treated from China
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 — China → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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