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).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If zinc predominant with nickel <5%
Such composition qualifies as brass (copper-zinc base alloy) under subheading note (a).
If used in imitation jewelry manufacture
Base metal wire for jewelry may shift to Chapter 71 if primarily for that end-use.
If supplied in bars or rods, not drawn wire
Pre-drawn forms are classified as copper alloy bars/rods under heading 7407.
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Import Tips & Compliance
• Submit material test reports showing nickel ≥5% to distinguish from brass; critical for correct subheading
• Declare exact cross-sectional dimensions for statistical suffixes; uncoated verification prevents reclassification
• Watch for plating contamination during manufacturing—any metal coating shifts to 7408.22.1000
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 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.
Nickel Silver Watch Spring Wire
Precision-drawn bare nickel silver wire for hairsprings in mechanical watches. HTS 7408.22.50.00 for its uncoated copper-nickel-zinc base alloy properties.