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SITCSection 6
U.S. imports of refined copper plate, sheet, and strip over 0.15 mm thick (SITC 68251) totaled $30.9M in April 2026, traded with 29 countries.
Importers of Refined Copper Plate, Sheet, and Strip Over 0.15 mm Thick paid $10.7M in duties in April 2026 — an effective duty rate of 48% on $22.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Refined Copper Plate, Sheet, and Strip Over 0.15 mm Thick imports of $30.9M in April 2026 ran 15% above the year-to-date monthly average of $26.8M.
Last updated: April 2026 dataRolled from refined (high-purity) copper, flat-rolled plate, sheet, and strip thicker than 0.15 mm are essential inputs for heat exchangers, roofing and architectural cladding, electrical bus components, and chemical processing equipment. The 0.15 mm thickness threshold is the boundary separating this heading from copper foil, making precise thickness measurement a classification prerequisite. Temper (annealed, half-hard, hard) and surface condition (bright, matte, oxidized) are commercially significant specifications that buyers should specify in purchase contracts to avoid substitution disputes. Section 232 tariff exposure applies to copper flat-rolled products, and importers should monitor any country-specific exclusion decisions that could affect their cost structure.
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CBP may request laboratory measurement or certified mill documentation to verify that the product's thickness falls above 0.15 mm (sheet/strip) rather than at or below that threshold (foil). Importers should include mill test certificates with precise thickness tolerances in their entry documentation to preempt classification challenges.
Common tempers include annealed (soft, O60), half-hard (H01), and hard (H04), each suited to different forming operations. Annealed strip is preferred for deep drawing and spinning; hard temper is used where spring-back or structural rigidity is needed. Specifying the temper in the purchase order and verifying it on the mill certificate prevents costly substitution errors, particularly for precision electrical or architectural applications.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $1.2M | $16.7M | +$15.5M |
| GERMANY | $8.2M | $193K | -$8.0M |
| PERU | $8.0M | -- | -$8.0M |
| FINLAND | $5.4M | -- | -$5.4M |
| KOREA, SOUTH | $2.9M | $16K | -$2.9M |
Monthly import values over time