Oxygen-Free High Conductivity Copper Billets
Oxygen-free high conductivity (OFHC) copper billets have ultra-low oxygen content (<10 ppm) and high copper purity, making them suitable for magnet wire production. They are unwrought refined copper billets classified under tariff item 7403.13.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the copper contains impurities exceeding refined copper limits
Impure copper is treated as copper alloy.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the oxygen content and copper purity (≥99.95%) to support refined copper classification
• Ensure billets are in unworked condition and not further processed
• Declare the total weight in kilograms and retain supplier specifications for CBSA review
Related Products under Tariff item 7403.13.00
Continuous Cast Copper Billets for Rod Extrusion
Continuous cast refined copper billets, typically 200-300mm in diameter, are unwrought copper products intended for hot extrusion into rods and subsequent wire drawing. They meet the definition of refined copper under Chapter 74 note 1(a) and are classified as billets under tariff item 7403.13.00.
Electrolytic Tough Pitch Copper Billets
Electrolytic tough pitch (ETP) copper billets are refined copper with 99.9% copper content and controlled oxygen, cast into billet form for wire rod production. They are unwrought refined copper products classified as billets under tariff item 7403.13.00.
High Purity Refined Copper Billets
High purity refined copper billets (99.99% Cu) are cylindrical semi-finished products used for extrusion into rods and wires. They are unwrought refined copper in billet form, meeting the purity requirements of Chapter 74 note 1(a), and are classified under tariff item 7403.13.00.
Premium Refined Copper Billets 8-Inch Diameter
Premium refined copper billets, 8 inches (200mm) in diameter, are unwrought refined copper with a surface free of cracks, used for high-quality rod production in automotive wiring. They meet refined copper purity standards and are classified as billets under tariff item 7403.13.00.