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HSChapter 74
U.S. imports of refined copper wire, cross-section 6 mm and under (HS 740819) totaled $14.0M in April 2026, traded with 21 countries.
Importers of Refined Copper Wire, Cross-Section 6 mm and Under paid $4.9M in duties in April 2026 — an effective duty rate of 58% on $8.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Refined Copper Wire, Cross-Section 6 mm and Under imports of $14.0M in April 2026 ran 25% above the year-to-date monthly average of $11.2M.
Last updated: April 2026 dataFine and medium refined copper wire—at or below 6 mm in maximum cross-sectional dimension—is one of the most widely traded copper mill products, serving winding wire, automotive wiring harnesses, electronics, and telecommunications cable manufacturing. The US schedule provides three lines: wire 3 mm or less (7408190030), other refined copper wire (7408190060), and a legacy catch-all (7408190000). Canada leads US imports, with China and Thailand also major sources; China's presence makes Section 301 tariff exposure a live compliance issue that importers must monitor for applicable exclusions. The fine-wire segment is particularly sensitive to copper cathode price volatility, as the conversion premium over cathode is relatively thin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Wire with a maximum cross-sectional dimension of 3 mm or less is specifically provided for at 7408190030, while wire above 3 mm but not over 6 mm falls under 7408190060. Importers should obtain dimensional specifications from the manufacturer and confirm them against the invoice description. For drawn wire sold in mixed coil sizes, each size may need to be classified separately if the dimensions straddle the threshold.
Refined copper wire from China may be subject to Section 301 tariffs under the applicable list. The scope, rate, and any product-specific exclusions can change, and exclusions that were previously granted may have expired. Importers sourcing from China should verify the current Section 301 status of their specific product with a licensed customs broker before each shipment to avoid unexpected duty liability.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7408190030 | REF CU WIRE W MAX CRS-SCTN DIMENSN OF 3MM OR LESS | $9.5M | 50.83% | $2.2M |
| 7408190060 | REFINED COPPER WIRE, NESOI | $4.5M | 64.57% | $2.8M |
REF CU WIRE W MAX CRS-SCTN DIMENSN OF 3MM OR LESS
REFINED COPPER WIRE, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7408190000 | REF CU WIRE W MAX CRS-SCTN UNDER 6 MM | $18.3M |
REF CU WIRE W MAX CRS-SCTN UNDER 6 MM
1.3M 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 |
|---|---|---|---|
| Indiana | $42K | $5.9M | +$5.9M |
| California | $2.5M | $2.9M | +$424K |
| Arizona | $1.9M | $2.5M | +$628K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $136K | $4.3M | +$4.1M |
| PORT HURON, MI | $3.7M | $437K | -$3.2M |
| ALEXANDRIA BAY, NY | $1.3M | $1.4M | +$97K |