American Steel Pressure Vessel Heads Cold Formed from Mexico
Carbon steel plates rolled into pressure vessel heads in US fabrication shops, exported to foreign facilities for cold forming, dishing, and knuckling operations, returned for final welding and testing. The cold forming constitutes significant metalworking manufacturing abroad. HTS 9802.00.60.00 covers US-origin metal articles so processed.
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 ASME code documentation and forming tonnage records proving manufacturing processes performed
• Include material traceability from US melt to final formed head maintaining chain of custody
• Document hydrostatic test results before/after foreign processing demonstrating improvement