C46400 Naval Brass Thick Plate 5.5mm from United States
A 5.5 mm thick plate of C46400 naval brass, a copper-zinc-tin alloy for marine hardware with corrosion resistance. It falls under tariff item 7409.29.00 as a copper-zinc base alloy (brass) since tin is below 3% and zinc predominates over other elements.
Duty Rate — United States → Canada
0%
Import Tips
• Document the tin content (below 3%) to confirm brass classification rather than bronze
• For plates over 5 mm thick, verify the thickness measurement
• Be prepared to show the alloy composition if the CBSA questions the classification