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.
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
• 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
Related Products under HTS 7409.19.90.00
C26000 Cartridge Brass Sheet
C26000 cartridge brass sheet (70% copper, 30% zinc), 1.2 mm thick, 400 mm width for ammunition casings and hardware. HTS 7409.19.90.00 covers refined copper-zinc base alloy sheets under 5 mm thick and <500 mm wide, fitting brass definition.
C10100 Oxygen-Free Copper Sheet
C10100 OF copper sheet (99.99% Cu, minimal oxygen), 2 mm thick, 420 mm width for RF shielding. Pure refined copper qualifies for HTS 7409.19.90.00: thickness >0.15 <5 mm, width <500 mm.
C18200 Copper-Chromium-Zirconium Sheet
C18200 CuCrZr alloy sheet (0.6-1.2% Cr, 0.04-0.12% Zr), 1.5 mm thick, 350 mm width for resistance welding electrodes. Trace elements don't alter brass/bronze definitions; refined copper under HTS 7409.19.90.00.
C19400 High-Performance Brass Strip
C19400 brass strip (97% Cu, 2.3% Fe, 0.8% P, 0.03% Zn), 0.6 mm thick, 290 mm width for connectors. Zinc present but doesn't predominate; classified as refined copper strip HTS 7409.19.90.00.
C12000 Deoxidized Low-Phosphorus Copper Sheet
C12000 DLP copper sheet (99.9% Cu, 0.004-0.012% P), 4 mm thick, 499 mm width for architectural panels. Refined low-phosphorus copper fits HTS 7409.19.90.00 dimensions and purity.
C28000 Muntz Metal Sheet
C28000 Muntz metal (60% Cu, 40% Zn), 2.8 mm thick sheet, 200 mm width for marine propellers. Classic brass alloy; HTS 7409.19.90.00 for refined copper sheet <5 mm thick, <500 mm wide.