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.
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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 of refined copper (not alloy)
Refined (pure) copper sheets/strips have dedicated 7409.11.00 subheading, separating from 'other copper alloys'
If thickness exceeds 5 mm
Thicker copper alloy plates/sheets (>5 mm) move to 7408.19.00 regardless of width
If clad, plated, or coated
Surface-worked copper strips (bimetal, tinned) classified under Chapter 74 heading 7410
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Import Tips & Compliance
• Submit copper purity certificate (>99.9% Cu) distinguishing from alloy products; pure copper strips often scrutinized for heading 7409 vs 7408
• Document coil/strip form factor; uncoiling during transit can trigger 'articles of copper' reclassification to 7415
• Avoid common pitfall of declaring as 'foil' if >0.15 mm thick, which shifts to 7409 from 7407
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.
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.
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.