Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)
Copper wire. > Of refined copper: > Of which the maximum cross-sectional dimension exceeds 6 mm > Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver) > Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)
Duty Rate (from China)
Products classified under Tariff item 7408.22.00
Constantan Bare Wire for Strain Gauges
This is a high-precision bare constantan (cupro-nickel alloy) wire used for strain gauge sensors in engineering applications. It is classified under tariff item 7408.22.00 as wire of copper-nickel base alloy, and being uncoated does not change its classification.
Cupro-Nickel 70/30 Wire for Heat Exchangers
This is a bare 70/30 cupro-nickel wire used in condenser tube supports and heat exchanger components. It falls under tariff item 7408.22.00 as wire of copper-nickel base alloy, and its uncoated state does not affect its classification.
Cupro-Nickel Annealed Wire for Marine Hardware
This is a soft-annealed bare cupro-nickel wire (90/10 alloy) used for corrosion-resistant marine fasteners and rigging. It is classified under tariff item 7408.22.00 as wire of copper-nickel base alloy, with annealing not affecting its classification.
Cupro-Nickel Coated Electrical Wire
This is a thin wire made from a copper-nickel base alloy (cupro-nickel) and coated with a layer of silver to improve conductivity and resist corrosion. It is classified under tariff item 7408.22.00 because it is a wire of copper-nickel base alloy, regardless of the silver plating.
Cupro-Nickel Fine Wire for Medical Sensors
This is an ultra-fine bare cupro-nickel wire used for biomedical temperature sensors and implants. It falls under tariff item 7408.22.00 as wire of copper-nickel base alloy, and its uncoated state does not change its classification.
Cupro-Nickel Palladium-Plated Precision Wire
This is an ultra-fine cupro-nickel wire plated with palladium, used in catalytic converter sensors and hydrogen fuel cells. It falls under tariff item 7408.22.00 as wire of copper-nickel base alloy, with the palladium plating not affecting its classification.
Cupro-Nickel Resistance Wire AWG 24
This is a bare cupro-nickel alloy wire (e.g., constantan composition) used for electrical resistors and heating elements due to its high resistivity. It is classified under tariff item 7408.22.00 as wire of copper-nickel base alloy, and being uncoated does not affect its classification.
Cupro-Nickel Silver-Plated Thermocouple Wire
This is a specialized thermocouple extension wire made of copper-nickel alloy (constantan type) with silver plating for improved signal integrity. It is classified under tariff item 7408.22.00 because it is wire of copper-nickel base alloy, and the silver plating does not remove it from this heading.
Cupro-Nickel Thermocouple Wire Type T
This is a bare cupro-nickel wire used in Type T thermocouples for temperature measurement in industrial and laboratory settings. It falls under tariff item 7408.22.00 as wire of copper-nickel base alloy, with its uncoated state not affecting its classification.
Nickel Silver Bare Round Wire 0.5mm
This is a bare round wire made from copper-nickel-zinc base alloy (nickel silver) with at least 5% nickel, used in precision instruments and jewelry findings. It is classified under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, and being uncoated does not change its classification.
Nickel Silver Flat Wire for Electrical Contacts
This is a rectangular bare nickel silver wire used for stamped electrical connectors and switch contacts. It falls under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, with its rectangular shape and uncoated state not affecting its classification.
Nickel Silver Gold-Plated Magnet Wire
This is a magnet wire made from copper-nickel-zinc base alloy (nickel silver) with gold plating over enamel insulation for extreme environments. It falls under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, with the gold plating and insulation not affecting its classification.
Nickel Silver Rhodium-Plated Lead Wire
This is a lead wire for high-end audio connectors made from nickel silver base with rhodium plating for low contact resistance. It is classified under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, with the rhodium plating not changing its classification.
Nickel Silver Square Wire for Springs 1mm
This is an uncoated square-profile nickel silver wire used in manufacturing small mechanical springs and contacts. It is classified under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, with its square shape and uncoated state not affecting its classification.
Nickel Silver Tin-Plated Bus Wire
This is a heavy-gauge bus wire made from copper-nickel-zinc (nickel silver) alloy, tin-plated for solderability in power distribution panels. It falls under tariff item 7408.22.00 as wire of copper-nickel-zinc base alloy, with the tin plating not affecting its classification.