Chapter 7409 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 74.09
Battery Tab Refined Copper Foil Coil
Ultra-thin refined copper foil coil for lithium battery tabs, 0.15mm thick and 150mm wide. The refined copper composition and coil form meet the tariff item criteria, with thickness exceeding 0.15mm.
7409.11.00C101 Refined Copper Coil Sheet 6mm Thick
High-purity refined copper plate in coil form, 6mm thick, used for electrical busbars and heat exchangers. Meets the definition of refined copper and is presented in coils, falling under tariff item 7409.11.00.
7409.11.00C110 Annealed Refined Copper Coil 5mm
Annealed refined copper coil, exactly 5mm thick, for marine hardware fabrication. The annealed temper enhances formability for stamping into fittings, and the refined copper composition qualifies under this tariff item.
7409.11.00C-110 Refined Copper Coil Strip 0.5mm Thick
A continuous coil of refined electrolytic tough pitch (ETP) copper alloy C-110, measuring 0.5mm in thickness, used for electrical busbars and heat exchangers. The refined copper composition and coil form qualify under this tariff item.
7409.11.00C120 Semi-Hard DHP Copper Strip Coil 0.3mm
Deoxidized high phosphorus (DHP) copper C120 strip coil, 0.3mm thick in semi-hard temper, for HVAC coils. The refined copper composition and coil form meet the tariff item requirements.
7409.11.00Electrolytic Tough Pitch Copper Strip Coil 0.8mm
ETP Grade 1 refined copper strip in coiled rolls, 0.8mm thick, used in transformer windings and printed circuit boards. The refined copper composition and coil form classify it under this tariff item.
7409.11.00ETP Grade Refined Copper Strip Coil 8mm
Electrolytic tough pitch (ETP) refined copper strip in coil, 8mm thick, for roofing and architectural panels. The refined copper composition and coil presentation meet the criteria for this tariff item.
7409.11.00High Purity Annealed Copper Sheet Coil 3.5mm
Annealed refined copper sheets in coils, 3.5mm thick, for heat exchanger fins and bus conductors. The annealing process and refined copper composition meet the tariff item criteria.
7409.11.00High Purity Refined Copper Busbar Coil 10mm
99.99% pure refined copper coil stock, 10mm thick, for fabricating electrical busbars in power distribution. The high purity and coil form classify it under this tariff item for refined copper plates.
7409.11.00Oxygen-Free Refined Copper Coil Plate 5.5mm
Oxygen-free high-conductivity (OFHC) refined copper coil plate at 5.5mm thickness for cryogenic applications and RF shielding. The refined copper composition and coil form qualify under this tariff item.
7409.11.00Phosphorus Deoxidized Refined Copper Coil 7mm
DHP (deoxidized high phosphorus) refined copper coil sheet, 7mm thick, for plumbing and heat sink manufacturing. The refined copper status and coil presentation meet the tariff item requirements.
7409.11.00Refined Copper Heat Exchanger Coil 9mm
Refined copper coil plate, 9mm thick, optimized for finned heat exchanger cores in HVAC systems. The refined copper composition and coil form classify it under this tariff item.
7409.11.00Refined Copper Roofing Coil Sheet 6.5mm
Weather-resistant refined copper coil for roofing sheets, 6.5mm thick, which develops a patina over time. The refined copper composition and coil form meet the tariff item criteria.
7409.11.00Refined Copper Roofing Strip Coil 1.5mm
Refined copper strip in coils for roofing and flashing, 1.5mm thick, with natural patina development. The refined copper composition and coil form qualify under this tariff item.
7409.11.00Transformer Winding Copper Strip 0.2mm
Ultra-thin refined copper strip coil, 0.2mm thick, for transformer windings. The refined copper composition and coil form meet the tariff item requirements for plates, sheets, and strip.
7409.19.0099.95% Pure Refined Copper Sheet 0.5mm Thick 1100mm Wide
Ultra-pure 99.95% refined copper sheet 0.5mm x 1100mm for vacuum chamber linings. Low impurity levels are essential for high-vacuum applications.
7409.19.0099.99% Pure Refined Copper Block Sheet 7mm Thick
Ultra-pure 99.99% refined copper block sheet, 7mm thick, for semiconductor heat sinks. Its exceptional purity minimizes impurities, making it ideal for high-performance thermal management applications.
7409.19.00Annealed Refined Copper Sheet 2.5mm Thick 800mm Wide
Soft annealed refined copper sheet 2.5mm thick, 800mm wide for architectural flashing and ornaments. Provides malleability for forming applications.
7409.19.00Anode-Grade Refined Copper Plate 15mm Thick
Anode-grade refined copper plate, 15mm thick, for secondary smelting feed. This semi-fabricated form is used as a raw material in smelting operations.
7409.19.00Busbar Grade Refined Copper Sheet 4mm Thick 700mm Wide
Busbar-grade refined copper sheet 4mm thick x 700mm wide for electrical substations. Meets ASTM B187 standards for conductivity.
7409.19.00C101 Refined Copper Plate 10mm Thick
A flat plate made from C101 oxygen-free refined copper, measuring 10mm in thickness, used for electrical busbars and heat exchangers. It falls under this tariff item as a refined copper plate exceeding 0.15mm thickness.
7409.19.00C101 Refined Copper Sheet 2mm Thick 600mm Wide
Refined copper sheet made from C101 oxygen-free copper, 2mm thick and 600mm wide, exceeding 0.15mm thickness. Used in various electrical and thermal applications.
7409.19.00C110 Electrolytic Refined Copper Plate 1.2mm Thick 650mm Wide
C110 electrolytic tough pitch refined copper plate, 1.2mm x 650mm for PCB manufacturing substrates. Standard for high-frequency applications.
7409.19.00Electrowon Refined Copper Plate 9mm Thick
Electrowon cathode-derived refined copper plate, 9mm thick for power distribution. The electrolytically pure surface makes it suitable for high-conductivity applications.
7409.19.00ETP Refined Copper Sheet 6mm Thick
Electrolytic tough pitch (ETP) refined copper sheet, 6mm thick, ideal for roofing and architectural panels. Its malleability suits forming applications while maintaining high conductivity.
7409.19.00Fire-Refined Copper Strip 6.5mm Thick
Fire-refined tough copper strip, 6.5mm thick x 150mm wide, for heavy-duty conductors. The traditional refining method produces a product suitable for high-current applications.
7409.19.00High Conductivity Refined Copper Sheet 10mm
HCC (high conductivity copper) refined sheet, 10mm thick for busbar stock. Optimized for electrical use with high purity and conductivity.
7409.19.00Lake Copper Refined Sheet 5.5mm Thick
Lake Superior refined copper sheet, 5.5mm thick, traditional for artistic casting molds. Known for its fine grain structure and high purity.
7409.19.00Oxygen-Free Refined Copper Strip 8mm Thick
High-purity oxygen-free refined copper strip, 8mm thick x 200mm wide, for cryogenic applications. Minimal oxygen content prevents embrittlement at low temperatures.
7409.19.00Phosphorus Deoxidized Refined Copper Plate 12mm
DHP (deoxidized high phosphorus) refined copper plate, 12mm thick, for marine hardware bases. Phosphorus aids corrosion resistance in marine environments.
7409.21.00Architectural Brass C38500 Coil
Architectural brass C38500 coil, composed of 58% copper and 42% zinc, with a thickness exceeding 0.15 mm. This copper-zinc base alloy (brass) is supplied in coil form for stamping door hardware and similar architectural components, meeting the tariff item's requirement for brass plates, sheets, or strip in coils.
7409.21.00C11000 Admiralty Brass Coil
C44300 Admiralty brass coil, with 71% copper, 28% zinc, and 1% tin, and a thickness exceeding 0.15 mm. This qualifies as a copper-zinc base alloy (brass) because tin content is below 3% and zinc predominates over other elements, and it is supplied in coil form for condenser tubesheets.
7409.21.00C26000 Cartridge Brass Coil
C26000 cartridge brass coil, composed of 70% copper and 30% zinc, with a thickness exceeding 0.15 mm. This copper-zinc base alloy (brass) is supplied in coil form for ammunition casings and precision stamping, meeting the tariff item's definition of brass plates, sheets, or strip in coils.
7409.21.00C26000 Cartridge Brass Sheet Coil 6mm Thick
C26000 cartridge brass sheet coil, with a thickness of 6 mm, composed of 70% copper and 30% zinc. This copper-zinc base alloy (brass) is supplied in coil form for ammunition casings and architectural trim, meeting the tariff item's requirements for brass plates, sheets, or strip in coils.
7409.21.00C26800 Yellow Brass Coil Stock
C26800 yellow brass coil stock, with 65% copper and 35% zinc, supplied as strip over 0.15 mm thick for heat exchanger fins and radiator components. This copper-zinc base alloy (brass) in coil form meets the tariff item's requirements for brass plates, sheets, or strip in coils.
7409.21.00C35300 High-Leaded Brass Coil 5mm Thick
C35300 high-leaded brass coil, with 3% lead and a thickness of 5 mm, composed of copper and zinc. This copper-zinc base alloy (brass) is supplied in coil form for machining bushings, meeting the tariff item's definition of brass plates, sheets, or strip in coils.
7409.21.00C36000 Free-Cutting Brass Coil
C36000 free-cutting brass coil, with 60-63% copper and the remainder zinc with lead, and a thickness exceeding 0.15 mm. This copper-zinc base alloy (brass) is supplied in coil form for screw machine products and fasteners, meeting the tariff item's definition of brass plates, sheets, or strip in coils.
7409.21.00C36000 Free-Cutting Brass Coil 7mm Thick
C36000 free-cutting brass coil, with sulfur addition and a thickness of 7 mm, composed of copper and zinc. This copper-zinc base alloy (brass) is supplied in coil form for screw machine products, meeting the tariff item's definition of brass plates, sheets, or strip in coils.
7409.21.00C37700 Forging Brass Plate Coil 5.5mm Thick
C37700 forging brass plate coil, with a thickness of 5.5 mm, composed of copper and zinc. This copper-zinc base alloy (brass) is supplied in coil form for hot forging into valves and fittings, meeting the tariff item's requirements for brass plates, sheets, or strip in coils.
7409.21.00C46400 Naval Brass Coil Strip
C46400 naval brass coil strip, with 59% copper, 39.25% zinc, and 1% tin, and a thickness exceeding 0.15 mm. This qualifies as a copper-zinc base alloy (brass) because tin content is below 3% and zinc predominates over other elements, and it is supplied in coil form for marine hardware and propeller shafts.
7409.21.00C46400 Naval Brass Strip Coil 8mm Thick
C46400 naval brass strip coil, with a thickness of 8 mm, composed of 59% copper, 39.25% zinc, and 1% tin. This qualifies as a copper-zinc base alloy (brass) because tin content is below 3% and zinc predominates over other elements, and it is supplied in coil form for marine hardware and propeller shafts.
7409.21.00C69430 Silicon Brass Coil
C69430 silicon brass coil, with copper, 22% zinc, 4% silicon, and 1.5% manganese, and a thickness exceeding 0.15 mm. This qualifies as a copper-zinc base alloy (brass) because zinc predominates over silicon and manganese, and it is supplied in coil form for valve stems and fittings.
7409.21.00C72500 Commercial Bronze Coil
C72500 commercial bronze coil, with 88% copper and 12% zinc, and a thickness exceeding 0.15 mm. This qualifies as a copper-zinc base alloy (brass) because zinc predominates over other elements, and it is supplied in coil form for architectural flashing and kickplates.
7409.21.00CDA 385 Extruded Brass Coil
CDA 385 extruded brass coil, with 58% copper, 39% zinc, and 3% lead, and a thickness exceeding 0.15 mm. This copper-zinc base alloy (brass) is supplied in coil form for plumbing adapters, meeting the tariff item's definition of brass plates, sheets, or strip in coils.
7409.21.00Muntz Metal C28000 Brass Coil
Muntz metal C28000 brass coil, with 60% copper and 40% zinc, and a thickness exceeding 0.15 mm. This copper-zinc base alloy (brass) is supplied in coil form for marine propellers and hardware, meeting the tariff item's requirements for brass plates, sheets, or strip in coils.
7409.29.00Admiralty Brass C44300 Plate 5mm+
Admiralty brass plate, 5 mm or more thick, made from copper-zinc-tin alloy (C44300), used for heat exchangers. It qualifies as a brass plate exceeding 0.15 mm in thickness, with tin content below 3%.
7409.29.00Architectural Brass Flat Sheet 2mm
Flat brass sheet, 2 mm thick, made from a copper-zinc base alloy (brass). It is used for architectural applications such as building facades, elevator panels, and interior trim, and qualifies as a plate or sheet of brass exceeding 0.15 mm in thickness.
7409.29.00Brass Artisan Craft Sheet 0.9mm
Brass sheet, 0.9 mm thick, made from a copper-zinc base alloy, intended for use by metal artists, sculptors, and custom fabricators. It meets the definition of a plate or sheet of brass exceeding 0.15 mm in thickness.
7409.29.00Brass Decorative Sheet 0.5mm Thick
Decorative brass sheet, 0.5 mm thick, made from a copper-zinc base alloy, used for decorative panels and architectural trim. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Electrical Panel Sheet 1.5mm
Brass sheet, 1.5 mm thick, made from a copper-zinc base alloy, used for electrical enclosures and distribution boxes. It falls under this tariff item as a general brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Furniture Inlay Sheet 0.6mm
Thin brass sheet, 0.6 mm thick, made from a copper-zinc base alloy, used for furniture veneer inlays and decorative banding. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Gasket Sheet 1.2mm Thick
Brass sheet stock, 1.2 mm thick, made from a copper-zinc base alloy, used for cutting industrial gaskets and shims. It falls under this tariff item as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Heat Exchanger Plate 3mm
Brass plate stock, 3 mm thick, made from a copper-zinc base alloy, used for heat exchanger fins and cores. It qualifies as a brass plate exceeding 0.15 mm in thickness.
7409.29.00Brass HVAC Shim Sheet 0.7mm
Brass sheet, 0.7 mm thick, made from a copper-zinc base alloy, used for HVAC ductwork shimming and vibration isolation. It falls under this tariff item as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Instrument Dial Sheet 0.25mm
Brass sheet, 0.25 mm thick, made from a copper-zinc base alloy, used for manufacturing watch/clock dials and gauge faces. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Marine Grade Sheet 1.0mm
Naval brass sheet, 1.0 mm thick, made from copper-zinc-tin alloy (UNS C46400), used for marine hardware and boat fittings. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness, with tin content below 3%.
7409.29.00Brass Model Making Sheet 0.4mm
Brass sheet, 0.4 mm thick, made from a copper-zinc base alloy, used for scale model construction, architectural models, and hobby use. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Nameplate Blanks 0.8mm
Unfinished brass blanks, 0.8 mm thick, made from a copper-zinc base alloy, used for manufacturing nameplates and identification tags. They qualify as brass plates or sheets exceeding 0.15 mm in thickness.
7409.29.00Brass Shim Stock 0.3mm Precision
Precision brass shim stock, 0.3 mm thick, in coils, made from a copper-zinc base alloy, used for machinery alignment and spacing. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.
7409.29.00Brass Transformer Sheet 0.2mm
Brass sheet, 0.2 mm thick, made from a copper-zinc base alloy, used for transformer shielding and electrical separators. It qualifies as a brass plate or sheet exceeding 0.15 mm in thickness.