High Purity Annealed Copper Sheet Coil 3.5mm from China
Annealed refined copper sheets in coils, 3.5 mm thick, for heat exchanger fins and bus conductors. HTS 7409.11.50 covers this refined copper product in coils under 5 mm. Annealing softens for better formability while maintaining 99.9%+ purity.
Duty Rate — China → United States
36%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Specify annealing condition (soft/half-hard) in docs; affects fabrication but not HTS classification
• Measure thickness uniformly across coil; variations near 5 mm trigger higher duty brackets
• Ensure no cladding; clad products shift to 7410