C46400 Naval Brass Sheet
A copper-zinc alloy sheet (C46400 naval brass) with 58-62% copper and 0.5-1.5% tin, thickness 0.3 mm, width 300 mm. Classified under HTS 7409.19.90.00 as refined copper sheet under 5 mm thick and less than 500 mm wide. Meets brass alloy definition with zinc predominant over other elements and tin under 3%.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloyed with tin >=3% where tin predominates
Qualifies as copper-tin base alloy (bronze) per subheading note (b), shifting to 7409.29.
If nickel content >=5% with copper-nickel-zinc composition
Meets copper-nickel-zinc (nickel silver) definition in subheading note (c).
If thickness <=0.15 mm
Exceeds thickness threshold for Chapter 74 plates/sheets, classified as copper foil in 7407.
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Import Tips & Compliance
• Provide detailed alloy composition certificate confirming zinc predominance and tin <3% to avoid reclassification as bronze
• Measure and document exact thickness (>0.15mm) and width (<500mm) on commercial invoice to match subheading
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