Naval Bronze C46400 Coil Strip
C46400 naval bronze wide coil, 0.4 mm x 550 mm, 40% zinc but tin 1%, qualifies as bronze (tin>other except zinc<10%). HTS 7409.31.50.00 for specified bronze coils.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If retested as brass (zinc predominant, tin<3%)
Exceeding tin/zinc balance shifts to brass per note (a) exclusion.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Note (b) permits zinc up to 10% even if >tin; provide exact % for high-zinc bronzes
• Coil integrity docs prevent reclass as strip/plate
• Saltwater corrosion testing may be needed for 'naval' grade claims
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