Other copper alloys (other than master alloys of heading 74.05)

C26000 Cartridge Brass Ingot

C26000 cartridge brass ingot is an unwrought copper-zinc base alloy containing approximately 30% zinc, cast into ingot form for further processing. It meets the definition of copper-zinc base alloys (brass) under tariff item 7403.21.00, as zinc predominates by weight over other elements and the alloy is unwrought.

C35300 High-Leaded Brass Slab

C35300 high-leaded brass slab is an unwrought copper-zinc base alloy with 2-3% lead added for machinability. It qualifies as brass under tariff item 7403.21.00 because zinc predominates by weight over lead and other elements, and the product is in unwrought slab form.

C36000 Free-Cutting Brass Billet

C36000 free-cutting brass billet is an unwrought copper-zinc alloy with added lead for machinability, containing approximately 60% copper and 36% zinc. It falls under tariff item 7403.21.00 as brass since zinc predominates over lead and other elements, and the billet is unwrought.

C37700 Forging Brass Ingot

C37700 forging brass ingot is an unwrought copper-zinc-lead alloy designed for hot forging applications. It is classified as brass under tariff item 7403.21.00 because zinc predominates by weight over lead and other elements, and the product is in ingot form.

C46400 Naval Brass Slab

C46400 naval brass slab is an unwrought copper-zinc-tin alloy with a maximum of 1% tin, maintaining brass classification. It falls under tariff item 7403.21.00 as copper-zinc base alloy because zinc predominates over tin (which is less than 3%), and the slab is unwrought.

C67000 Manganese Brass Billet

C67000 manganese brass billet adds manganese for strength in a copper-zinc base alloy. It meets the definition of brass under tariff item 7403.21.00 because zinc predominates by weight over manganese and other elements, and the billet is unwrought.

C69300 Arsenical Brass Billet

C69300 arsenical brass billet contains small amounts of arsenic for improved corrosion resistance in a copper-zinc matrix. It remains classified as brass under tariff item 7403.21.00 because zinc predominates and other elements are within the limits for brass, and the billet is unwrought.

C69400 Copper-Base Casting Brass Ingot

C69400 casting brass ingot is optimized for sand casting with a copper-zinc-lead-aluminum composition. It is classified as brass under tariff item 7403.21.00 because zinc predominates by weight over lead, aluminum, and other elements, and the ingot is unwrought.

C83600 Commercial 85-5-5-5 Brass Ingot

C83600 commercial 85-5-5-5 brass ingot contains 85% copper, 5% zinc, 5% tin, and 5% lead. It qualifies as brass under tariff item 7403.21.00 because the zinc and tin equivalent maintains brass status, with zinc predominating over tin (which is less than 10% when tin is 3% or more), and the ingot is unwrought.

C87200 Silicon Brass Ingot

C87200 silicon brass ingot incorporates 4% silicon into a copper-zinc matrix for casting applications. It qualifies as brass under tariff item 7403.21.00 because zinc predominates by weight over silicon and other elements, and the ingot is unwrought.

Aluminum Bronze C95400 Unwrought Ingots

Aluminum bronze C95400 unwrought ingots containing 10-11.5% aluminum, 4% iron, and 3.5-5% tin. Although aluminum is present, tin predominates over each other individual element per subheading note (b), classifying this as a copper-tin base alloy. These ingots are used for heavy-duty gears and marine propellers.

High-Leaded Tin Bronze C93800 Ingots

High-leaded tin bronze C93800 ingots with 10% tin and 20% lead for exceptional machinability in screw machine products. Tin predominates over lead and other elements, maintaining bronze classification under subheading note (b). These unwrought ingots are used for high-speed machining applications.

Leaded Tin Bronze C93200 Unwrought Bars

Leaded tin bronze C93200 unwrought bars with 6-8% tin and 6-8% lead, suitable for bearings and bushings. Tin predominates over lead and other non-copper elements, meeting the bronze definition under subheading note (b). These bars are cast in simple shapes and not subsequently worked.

Manganese Bronze C86500 Unwrought Form

Manganese bronze C86500 unwrought castings with 4% tin, 39% zinc, and 3% manganese. Despite high zinc, the tin content ensures bronze classification because tin predominates over each other element except zinc, which is allowed up to 10% when tin is 3% or more. Used for high tensile strength marine castings and gears.

Naval Bronze C46400 Unwrought Plates

Naval bronze C46400 unwrought cast plates with 39-42% zinc and 5% tin. The tin content controls classification as copper-tin base alloy per subheading note (b), which allows zinc up to 10% when tin is 3% or more. These plates are traditional for propellers and valve components.

Phosphor Bronze C51000 Unwrought Ingots

Phosphor bronze C51000 unwrought ingots containing approximately 5% tin and 0.2% phosphorus. Tin predominates over phosphorus and other elements, classifying this as a copper-tin base alloy under subheading note (b). These ingots are used in manufacturing springs, fasteners, and electrical components.

Silicon Bronze C65500 Unwrought Rods

Silicon bronze C65500 unwrought rods containing 3% silicon and 4.8% tin. Tin predominates over silicon, ensuring bronze classification under subheading note (b). These corrosion-resistant rods are used in marine hardware and weld rods, and are cast without mechanical working.

Tin Bronze C90300 Continuous Cast Bar

Tin bronze C90300 continuous cast unwrought bars with 7.5-9% tin, 3% zinc, and 88% copper. This gunmetal alloy meets strict bronze criteria under subheading note (b), with tin predominating over zinc. Produced by continuous casting without subsequent reduction, these bars are used for valves and fittings.

Admiralty Brass Billet

Unwrought copper-zinc alloy billet with 1% tin addition for corrosion resistance in marine applications. As a brass with tin content under 3%, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Aluminum Bronze C95400 Ingot

Aluminum bronze C95400 ingot, containing 85% copper, 11% aluminum, 4% iron, and 3% nickel, in unwrought form. Aluminum predominates over other alloying elements, classifying it as an 'other copper alloy' under tariff item 7403.29.00, distinct from brasses, bronzes, or nickel silvers defined in the subheading notes.

Architectural Bronze C38500 Ingot

Architectural bronze C38500 ingot, an unwrought copper alloy with 57% copper, 41% zinc, and 2% lead, used for ornamental work. Although called 'bronze,' the zinc content exceeds tin, and with tin below 3%, it does not meet the subheading note definition of bronze, thus classifying as an 'other copper alloy' under 7403.29.00.

Architectural Bronze Ingot

Low-tin copper-zinc alloy ingot with less than 3% tin for architectural castings. As a brass rather than a true bronze, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Beryllium Copper C17300 Ingot

Beryllium copper C17300 ingot, an unwrought alloy of 96% copper, 1.9% beryllium, and 0.2% lead, used for high-strength connectors and springs. Beryllium is not one of the elements defining brasses, bronzes, or nickel silvers, so this alloy falls under 'other copper alloys' in tariff item 7403.29.00.

Cartridge Brass Anode

Unwrought 70/30 copper-zinc alloy castings used as anodes in electroplating baths. As a copper-zinc base alloy (brass), it is classified under 'other copper alloys' in tariff item 7403.29.00.

CDA 932 Bearing Bronze Ingot

CDA 932 bearing bronze ingot, an unwrought copper-tin alloy with approximately 83% copper, 7% tin, and 7% zinc. Despite the zinc content exceeding tin, the tin content is 3% or more, and zinc is less than 10%, so it meets the subheading note definition of a copper-tin base alloy (bronze), falling under 'other copper alloys' in 7403.29.00.

Commercial Bronze C22000 Ingot

Commercial bronze C22000 ingot, an unwrought alloy of 90% copper and 10% zinc, used for architectural applications. With zinc as the only significant alloying element and no tin, it does not meet the bronze definition; it is a copper-zinc alloy, but since it is not a master alloy, it falls under 'other copper alloys' in 7403.29.00.

Condenser Tube Alloy Slab

Arsenical copper-zinc alloy slab for heat exchanger tubes, with a small arsenic addition for corrosion resistance. As a copper-zinc base alloy, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Constantan Unwrought Wire Alloy

Unwrought Constantan alloy in wire form, composed of approximately 55% copper and 45% nickel, used for thermocouples and precision resistors. As a copper-nickel base alloy where nickel predominates over other elements, it qualifies as an 'other copper alloy' under tariff item 7403.29.00.

Cupro-Nickel 70/30 Unwrought Anode

Unwrought anodes made of 70% copper and 30% nickel alloy, used in electroplating and cathodic protection systems. As a copper-nickel base alloy with nickel predominating over other elements, it falls under 'other copper alloys' in tariff item 7403.29.00.

Cupro-Nickel 90/10 Unwrought Ingot

Unwrought ingots of 90% copper and 10% nickel alloy, known as cupro-nickel, used for corrosion-resistant marine and desalination equipment. As a copper-nickel base alloy, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Cupronickel C70600 Ingot

Cupronickel C70600 ingot, an unwrought alloy of 88% copper, 10% nickel, 1% iron, and 1% manganese, used for marine condenser tubes and desalination equipment. Nickel content is 5% or more and zinc is absent, so it meets the subheading note definition of a copper-nickel base alloy, falling under 'other copper alloys' in 7403.29.00.

Cupro-Nickel Condenser Tube Alloy Ingot

Master ingots of Cu-Ni 90/10 alloy intended for producing seamless condenser tubes in power plants. As unwrought copper-nickel base alloy, these ingots are classified under 'other copper alloys' in tariff item 7403.29.00.

Everdur Silicon Bronze C87300 Ingot

Everdur silicon bronze C87300 ingot, an unwrought alloy of 94% copper, 4% silicon, and 1% manganese, used for welding and marine castings. Silicon and manganese are not among the elements defining brasses, bronzes, or nickel silvers, so this alloy falls under 'other copper alloys' in 7403.29.00.

Forging Brass Ingot

High-zinc copper alloy ingot designed for hot forging into fittings. As a copper-zinc base alloy (brass), it is classified under 'other copper alloys' in tariff item 7403.29.00.

Gunmetal LG2 C83600 Ingot

Gunmetal LG2 C83600 ingot, an unwrought alloy of 85% copper, 5% tin, 5% zinc, and 5% lead, used for valves and fittings. With tin at 5% and zinc at 5%, it meets the bronze definition (tin ≥3%, zinc <10%), classifying as an 'other copper alloy' under 7403.29.00.

High Leaded Tin Bronze C93800 Ingot

High leaded tin bronze C93800 ingot, an unwrought alloy of 78% copper, 15% lead, and 7% tin, used for bearings and bushings. Although lead content is high, the alloy is a copper-tin base alloy (bronze) since tin is 3% or more and zinc is below 10%, falling under 'other copper alloys' in 7403.29.00.

Leaded Brass Ingot 60/40

Copper-zinc alloy ingot containing 60% copper and 40% zinc with added lead for improved machinability. As a leaded brass, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Leaded Red Brass C84400 Ingot

Leaded red brass C84400 ingot, an unwrought alloy of approximately 81% copper, 4% tin, 12% zinc, and 3% lead. With tin at 4% (≥3%) and zinc at 12% (≥10%), it does not meet the bronze definition; it is a copper-zinc alloy, but since it is not a master alloy, it falls under 'other copper alloys' in 7403.29.00.

Manganese Bronze C86500 Ingot

Manganese bronze C86500 ingot, an unwrought alloy of 58% copper, 39% zinc, 2% manganese, and aluminum. Although called 'bronze,' the tin content is below 3%, so it does not meet the bronze definition; it is a copper-zinc alloy, but with multiple elements, it falls under 'other copper alloys' in 7403.29.00.

Monel 400 Unwrought Alloy Slab

Unwrought slabs of Monel 400 alloy, approximately 67% copper and 30% nickel with trace elements, used for extreme corrosion resistance in chemical processing. As a copper-nickel base alloy where copper predominates, it is classified under 'other copper alloys' in tariff item 7403.29.00.

Muntz Metal Ingot

Muntz Metal Ingot is an unwrought alpha-beta duplex copper-zinc alloy (60% copper, 40% zinc) used for hot working into sheets and plates. It qualifies as a copper alloy under Chapter 74 because copper predominates by weight and zinc exceeds the impurity limits for refined copper, placing it under tariff item 7403.29.00 for other copper alloys.

Naval Brass C46400 Ingot

Naval brass C46400 ingot, an unwrought alloy of 60% copper, 39% zinc, and 1% tin, used for marine hardware. With tin below 3%, it does not meet the bronze definition; it is a copper-zinc alloy, but since it is not a master alloy, it falls under 'other copper alloys' in 7403.29.00.

Naval Brass Slab

Naval Brass Slab is an unwrought copper-zinc alloy slab containing about 1% tin and lead, used for propeller shafting and marine hardware. The tin content is below 3%, so it remains a brass (copper-zinc base alloy) under Chapter 74, and as an unwrought product it falls under tariff item 7403.29.00 for other copper alloys.

Nickel Silver 65/18/17 Unwrought Billet

Unwrought billets of 65% copper, 18% nickel, and 17% zinc, classified as nickel silver, used for high-durability applications like musical instrument components. As a copper-nickel-zinc base alloy with nickel content of 5% or more, it falls under 'other copper alloys' in tariff item 7403.29.00.

Nickel Silver Tableware Alloy Slab

Unwrought slabs of nickel silver alloy for flatware and holloware production, with a copper-nickel-zinc composition meeting the nickel silver definition. Classified under 'other copper alloys' in tariff item 7403.29.00.

Nickel Silver Unwrought Casting Grain

Granular unwrought nickel silver (copper-nickel-zinc) for precision casting in jewelry and hardware, with nickel content of 5% or more. Classified under 'other copper alloys' in tariff item 7403.29.00 as a copper-nickel-zinc base alloy.

Nordic Gold Unwrought Alloy (89/5/5/1)

Unwrought Nordic Gold alloy variant with nickel addition (89% Cu, 5% Al, 5% Zn, 1% Sn, plus Ni), meeting the nickel silver definition with nickel content of 5% or more. Classified under 'other copper alloys' in tariff item 7403.29.00.

Phosphor Bronze C51000 Ingot

Phosphor bronze C51000 ingot, an unwrought alloy of 94.8% copper, 5% tin, and 0.2% phosphorus, used for precision springs and electrical connectors. With tin at 5% and zinc absent, it meets the bronze definition, falling under 'other copper alloys' in 7403.29.00.

Plumbing Brass Billet C83600

Plumbing Brass Billet C83600 is an unwrought leaded red brass billet used for valves and fittings. It contains copper, zinc, tin, and lead, with copper predominating by weight, making it a copper alloy under Chapter 74. As an unwrought product not classified as a master alloy, it falls under tariff item 7403.29.00 for other copper alloys.

Silicon Bronze C65500 Ingot

Silicon bronze C65500 ingot, an unwrought alloy of 96% copper, 3% silicon, and 1% manganese, used for welding and marine applications. Silicon and manganese are not among the elements defining brasses, bronzes, or nickel silvers, so this alloy falls under 'other copper alloys' in 7403.29.00.

Yellow Brass Billet C36000

Yellow Brass Billet C36000 is a free-machining copper-zinc-lead alloy billet used for screw machine products. Copper predominates by weight, and the zinc content makes it a brass under Chapter 74. As an unwrought copper alloy other than a master alloy, it is classified under tariff item 7403.29.00.