Naval Bronze C46400 Sheet
Naval bronze C46400 sheet is a 88% copper, 10% zinc, 1.5% tin alloy sheet, 2 mm thick, 700 mm wide, but tin-focused variant for marine use. Under HTS 7409.39.50.00 as copper-tin bronze since tin qualifies predominance in specific grades per note (b).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If zinc predominant over tin
Standard naval bronze often reclassifies as copper-zinc brass per note (a).
If shaped into mountings/hardware
Fabricated into fittings/base metal mountings shifts from raw sheet to Chapter 83.
If thickness ≥5 mm
Thicker plates move to separate thickness subheading.
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Import Tips & Compliance
• Provide UNS C46400 spec sheet; note zinc <10% allowance for tin ≥3% bronzes
• Marine-grade certs help but not required; focus on dimensional compliance
Related Products under HTS 7409.39.50.00
Tin Bronze C90300 Sheet
C90300 tin bronze sheet has 88% copper, 8% tin, 3% lead, 1% zinc, thickness 0.8 mm, width 800 mm. Perfectly fits HTS 7409.39.50.00 as classic copper-tin base alloy (bronze) with tin predominant.
Phosphor Bronze C52100 Sheet
Phosphor bronze C52100 sheet is a copper-tin alloy plate with approximately 8% tin and 0.2% phosphorus, thickness 0.2-4.9 mm, and width exceeding 500 mm. It falls under HTS 7409.39.50.00 as a copper-tin base alloy (bronze) plate/sheet/strip thicker than 0.15 mm but less than 5 mm wide, meeting the subheading note where tin predominates over other elements.
Leaded Bronze C93200 Plate
Leaded bronze C93200 plate contains 83% copper, 7% tin, 7% lead for machinability, with thickness 1-4 mm and width 600 mm. Classified under HTS 7409.39.50.00 as copper-tin base bronze where tin predominates over lead and other minor elements per subheading note (b).
Aluminum Bronze C95400 Strip
C95400 aluminum bronze strip has 85% copper, 4% aluminum, 4% iron, but qualifies as copper-tin bronze variant with trace tin, thickness 0.5 mm, width 550 mm. Fits HTS 7409.39.50.00 per note (b) as tin-base where tin predominates other additions.
Silicon Bronze C65500 Plate
Silicon bronze C65500 plate features 95% copper, 3% silicon, 1% manganese, trace tin, 3.5 mm thick, 510 mm wide. Classed in HTS 7409.39.50.00 as copper-tin base alloy with tin predominance over silicon per subheading note (b).
Manganese Bronze C86300 Strip
Manganese bronze C86300 strip is high-strength 63% copper, 25% zinc, 5% aluminum, trace tin, 1.2 mm thick, 650 mm wide. HTS 7409.39.50.00 applies as tin-base bronze alloy under note (b) for specific compositions.