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HSChapter 74
U.S. imports of unwrought copper alloys (nesoi) (HS 740329) totaled $1.8M in April 2026, traded with 13 countries.
Importers of Unwrought Copper Alloys (NESOI) paid $18K in duties in April 2026 — an effective duty rate of 1.0% on $1.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Unwrought Copper Alloys (NESOI) imports of $1.8M in April 2026 ran 41% above the year-to-date monthly average of $1.3M.
Last updated: April 2026 dataNickel silver (copper-nickel-zinc) and cupro-nickel alloys occupy a dedicated line (7403290110) within this residual heading, reflecting their distinct commercial roles in coinage, marine heat exchangers, and decorative applications — while all other unwrought copper alloys not elsewhere specified fall under 7403290180. New Zealand and Switzerland lead US import supply, a sourcing pattern that reflects specialty alloy production rather than commodity copper flows. Importers should pay close attention to alloy composition documentation, as the boundary between this heading and the named alloy subheadings (brass at 740321, bronze at 740322) turns on which non-copper element is primary.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both nickel silver (copper-nickel-zinc, sometimes called German silver) and cupro-nickel (copper-nickel binary or near-binary alloys) are grouped together under 7403290110 in the US tariff schedule. Despite their different compositions and end uses — nickel silver is used in cutlery, musical instruments, and decorative hardware, while cupro-nickel is used in coinage and marine condensers — they share the same 10-digit line. The alloy type should still be specified on commercial documentation for downstream traceability.
CBP may issue a CF-28 or CF-29 request if the alloy's composition is not clearly documented and there is ambiguity about whether it belongs in a named subheading (brass, bronze, nickel silver/cupro-nickel) versus the residual basket. Providing a certified mill analysis showing the percentage of each alloying element, along with the producer's commercial alloy designation, is typically sufficient to resolve the classification question.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| GERMANY | -- | $3.8M | +$3.8M |
| NEW ZEALAND | $1.0M | -- | -$1.0M |
| JAPAN | $251K | $334K | +$83K |
| CANADA | $65K | $293K | +$228K |
| TURKEY | $194K | -- | -$194K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7403290180 | UNWROUGHT COPPER ALLOYS, NESOI | $1.8M | 1.00% | $17K |
| 7403290110 | UNWROUGHT NICKEL SILVER A CUPRO-NICKEL BASE ALLOYS | $46K | 1.00% | $465 |
UNWROUGHT COPPER ALLOYS, NESOI
UNWROUGHT NICKEL SILVER A CUPRO-NICKEL BASE ALLOYS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7403290180 | UNWROUGHT COPPER ALLOYS, NESOI | $4.7M |
| 7403290110 | UNWROUGHT NICKEL SILVER A CUPRO-NICKEL BASE ALLOYS | $488K |
UNWROUGHT COPPER ALLOYS, NESOI
146.7K kg
UNWROUGHT NICKEL SILVER A CUPRO-NICKEL BASE ALLOYS
41.1K kg
REFINED COPPER CATHODES AND SECTIONS OF CATHODES
HS 740311
COPPER WASTE AND SCRAP
HS 740400
TUBES & PIPES OF REFINED COPPER
HS 741110
COPPER ALLOY TUBE OR PIPE FITTINGS
HS 741220
COPPER FOIL, NOT BACKED, OF REFINED COPPER
HS 741011
BARS, RODS AND PROFILES OF REFINED COPPER
HS 740710
| State | Imports | Exports | Balance |
|---|---|---|---|
| Pennsylvania | $1.0M | $3.2M | +$2.2M |
| Ohio | $11K | $898K | +$887K |
| South Carolina | $14K | $332K | +$318K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW YORK, NY | $37K | $3.9M | +$3.8M |
| NEWARK, NJ | $828K | $63K | -$766K |
| CHICAGO, IL | -- | $359K | +$359K |