Cupro-Nickel Annealed Wire for Marine Hardware
Soft-annealed bare cupro-nickel wire (90/10 alloy) for corrosion-resistant marine fasteners and rigging. HTS 7408.22.50.00 covers its uncoated copper-nickel base alloy status.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fabricated into finished marine fittings
Completed structures shift from wire to fabricated metal products in Chapter 73.
If plated for extra corrosion protection
Any metal plating (e.g., tin) moves to the coated wire subheading.
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Import Tips & Compliance
• Document corrosion resistance specs and alloy ratio (Cu>Ni, zinc<1%) for CBP review
• Declare temper (annealed vs hard-drawn) for value assessment; uncoated essential
Related Products under HTS 7408.22.50.00
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 HTS 7408.22.50.00 as it is made from copper-nickel base alloys (with nickel predominating over other elements and zinc under 1%) and is not coated or plated with metal.
Nickel Silver Bare Round Wire 0.5mm
Bare round wire made from copper-nickel-zinc base alloy (nickel silver) with ≥5% nickel, used in precision instruments and jewelry findings. Classified under HTS 7408.22.50.00 due to its uncoated copper-nickel-zinc composition meeting subheading note (c).
Nickel Silver Square Wire for Springs 1mm
Uncoated square-profile nickel silver wire used in manufacturing small mechanical springs and contacts. Falls under HTS 7408.22.50.00 for bare copper-nickel-zinc base alloy wire.
Nickel Silver Flat Wire for Electrical Contacts
Rectangular bare nickel silver wire for stamped electrical connectors and switch contacts. Classified in HTS 7408.22.50.00 as uncoated copper-nickel-zinc base alloy wire.
Constantan Bare Wire for Strain Gauges
High-precision bare constantan (cupro-nickel alloy) wire for strain gauge sensors in engineering applications. HTS 7408.22.50.00 due to copper-nickel base composition, uncoated.
Cupro-Nickel 70/30 Wire for Heat Exchangers
Bare 70/30 cupro-nickel wire used in condenser tube supports and heat exchanger components. Falls under HTS 7408.22.50.00 as uncoated copper-nickel base alloy wire.