Other copper alloys (other than master alloys of heading 74.05)
Refined copper and copper alloys, unwrought. > Copper alloys: > Other copper alloys (other than master alloys of heading 74.05) > Other copper alloys (other than master alloys of heading 74.05)
Duty Rate (from China)
Products classified under Tariff item 7403.29.00
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.
Yellow Brass C85200 Ingot
Yellow brass C85200 ingot, an unwrought alloy of 62% copper, 34% zinc, 2% lead, and 1% tin, used for sand castings. With tin below 3%, 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.