C44300 Admiralty Brass Sheet
C44300 admiralty brass sheet (71% Cu, 28% Zn, 1% Sn), 0.8 mm thick and 400 mm wide, ideal for heat exchanger tubing blanks and marine hardware. Fits HTS 7409.90.90 as brass alloy per note (a): zinc predominant (<3% Sn), thickness <5 mm, width <500 mm.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tin ≥3% and predominates over other elements except permissible zinc
Copper-tin base alloys (bronzes per note b) have separate 7409.40 subheading
If thickness ≤0.15 mm
Thin brass foil moves to 7407.10 (copper alloy foil) regardless of width
If made into wire beyond simple straightening
Drawn/punched brass products become copper wire articles under 7412
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Import Tips & Compliance
• Tin content must be certified <3% to remain brass (note a); ≥3% Sn shifts to bronze classification under 7409.40
• Pre-cut condenser tube sheets often reclassified as 'articles' under 7419.99; import in full sheets
• Declare UNS C44300 number and ASTM B171 compliance on entry documents
Related Products under HTS 7409.90.90
C26000 Cartridge Brass Sheet
A thin sheet of C26000 cartridge brass alloy (70% copper, 30% zinc), measuring 0.2 mm thick and 300 mm wide, used for stamping electrical connectors and hardware components. Classified under HTS 7409.90.90 as a copper-zinc base alloy plate/sheet thinner than 5 mm and narrower than 500 mm. Meets subheading note (a) definition for brasses where zinc predominates over other elements.
C11000 Electrolytic Tough Pitch Copper Strip
Narrow strip of C11000 ETP copper (99.9% pure copper), 0.3 mm thick by 250 mm wide, used in transformer windings and busbars. HTS 7409.90.90 applies to 'other copper alloys' plates/sheets under 5 mm thick and <500 mm wide; pure copper qualifies here absent specific refined copper headings.
C70600 Copper-Nickel Strip
C70600 90-10 copper-nickel strip, 0.5 mm thick x 350 mm wide, used for desalination plant sheeting and marine propellers. Classifies in 7409.90.90 as 'other copper alloys' sheet <5 mm thick, <500 mm wide; note (d) copper-nickel base but fits residual alloy category.
C46400 Naval Brass Sheet
C46400 naval brass sheet (59% Cu, 39.5% Zn, 1% Sn), 1.2 mm thick x 450 mm wide for propeller shafts and valve stems. HTS 7409.90.90: brass alloy (note a), thickness <5 mm, width <500 mm.
C51000 Phosphor Bronze Strip
C51000 phosphor bronze strip (94.8% Cu, 5% Sn, 0.2% P), 0.4 mm x 200 mm, for bellows, diaphragms, and electrical contacts. 7409.90.90 as copper alloy strip <5 mm thick, <500 mm wide; tin <3% but bronze characteristics.
C67300 Brass Sheet
C67300 manganese brass sheet (Cu-Zn-Mn), 2 mm thick x 400 mm wide for architectural trim and fasteners. Brass alloy per note (a), qualifies 7409.90.90 dimensions.