Market Data

Cathode, Scrap or Semis? How the U.S. Sorts Its $1.97B Monthly Copper Imports

The Census copper line lumps together three very different goods, refined metal, recycled scrap, and semi-finished wire and tube. Here's how each is counted.

U.S. copper imports ran $1.97B in May 2026, down about 33.9% from a year ago, per the Census Bureau's International Trade program, but the headline blends three distinct categories: refined cathode, the largest slice; copper scrap; and semi-fabricated products such as wire, tube, and plate. Each carries its own tariff classification and duty treatment, so the single published number is really three markets stacked into one line, and they do not move together.

Refined cathode: the anchor of the line

Refined copper, 99.99% pure cathode and its cast shapes, is the dominant share of import value, because the U.S. smelts and refines far less copper than it consumes. Cathode is what rod mills melt into wire for the grid, buildings, and vehicles, and it is the form most exposed to trade policy: duties on refined metal hit domestic wire and cable costs almost immediately, since there is no quick domestic substitute for the missing tonnage. When the headline series lurches, the refined slice is usually the reason, it is both the biggest component and the one buyers race to move ahead of tariff deadlines.

Duty treatment is where the three-way split stops being trivia and starts being money. Trade actions rarely hit all three forms equally: a measure aimed at refined cathode can leave scrap flows untouched, and semis often carry different rates again, sometimes higher, to protect domestic fabrication. That means two shops both "buying copper" can face entirely different tariff exposure depending on the form they import. Before reacting to any copper-tariff headline, the first question is which classification lines it actually names; the second is which of those lines your spend touches.

U.S. copper imports, May 2026: $1.97B. Across the archived window the monthly value has run from $1.06B in Nov 2025 to $13.71B in Apr 2026; the latest reading sits at the 7th percentile.

Scrap and semis: the other two markets in the stack

Copper scrap trades on entirely different logic, the U.S. is a large scrap exporter, and imported scrap flows to secondary refiners and brass mills whose economics track the spread between scrap grades and refined metal, not end demand. Semi-fabricated products, wire, tube, sheet, and plate, are the third bucket, and the most sensitive to exchange rates and fabrication cost differentials, because a buyer choosing imported tube over domestic is comparing finished conversion costs, not just metal. The practical takeaway: a move in the headline can come from any of the three, and the response, hedge metal, requalify a mill, or renegotiate conversion, differs accordingly.

Mapping your own spend to the three buckets takes an afternoon and pays back for years. Pull a year of purchase orders, tag each line as refined metal, scrap-fed product, or imported semi-fabricated, and total the shares. Most fabricators discover their exposure is concentrated in one bucket, wire and cable buyers in refined, brass mills in scrap, tube users in semis, which immediately tells them which slice of this series to watch and which trade-policy headlines actually apply to them. The headline number is for economists; the bucket that matches your purchase orders is for you.

The copper import line is three markets stacked into one number, and they do not move together.

Putting the number to work

The May 2026 reading annualizes to about $23.65B of imported copper in all forms, the base against which duty proposals, supply-gap arguments, and electrification forecasts are all argued. A one-percent move in the line is worth roughly $19,704,332 a month nationally. For a shop buying $40,000 of copper products a month, a spend that tracked the series' latest year-over-year change (-33.9%) would swing about $162,746 a year, reason enough to know which of the three stacked markets your particular copper actually comes from.

Use the import duty scenario calculator to see what a tariff change on your specific copper forms does to landed cost. Model a duty change by form

Published 2026-07-13.