Tariff monitor · Metals & Mill Products

Aluminum Semi-Finished Products: Statutory & Effective Tariff Rates

USITC Column 1 General rates for 29 aluminum semi-finished products HTS lines (parseable range 0%–6.5%). Effective rate Jun 2026: 53.09%; monthly history since 2014.

The short answer

  • The observed effective calculated-duty rate on U.S. imports of aluminum semi-finished products was 53.09% in Jun 2026, up from 39.23% a year earlier — USITC Calculated Duties divided by covered customs value. The Column 1 General line-rate range is 0%–6.5% across 29 HTS lines in the 2026 schedule; individual lines are called “Free” only when the official General field is literally Free, which still does not determine a shipment’s final duty. Canada is the largest source, holding 20.1% of 2025 imports.

Statutory rates from the schedule

  • Aluminum bar, rod, wire, plate, sheet, foil, and tube — extrusions and rolled stock for machining and fabrication. This family covers HTS headings 7604, 7605, 7606, 7607, 7608: 29 eight-digit rate lines with a parseable Column 1 General range of 0%–6.5% in the 2026 schedule. “Free” means the official General field is literally Free for that line; it does not determine final entry liability.
  • Chapter 99 references on individual lines (for example, 9903.90.09) identify provisions to review; applicability and any additional duty depend on the entry facts.

Observed calculated-duty data

  • Latest month on record (2026-06): 53.09% effective on $1.0B of imports, versus 39.23% in the same month a year earlier. The monthly archive holds 150 observations from 2014-01 through 2026-06.
  • In 2025, U.S. imports for consumption in this family totaled $7.6B in customs value, with $2.5B in USITC reported calculated duty on $7.6B of covered customs value: an effective calculated-duty rate of 32.81%. The aggregate reflects the recorded entry mix but does not attribute the result to a specific legal provision.
  • A year earlier the effective calculated-duty rate was 6.15%, so the observed rate rose 26.7 points.
  • Top source countries in 2025: Canada ($1.5B at 28.91%), South Korea ($1.0B at 32.89%), China ($483.6M at 66.87%), Thailand ($394.3M at 24.22%), Germany ($322.5M at 34.84%).
  • Reported freight and insurance equaled 6.53% of covered customs value in 2025 ($322.5M total); charge coverage was 65.1% of customs value, from USITC DataWeb. It is shown alongside the effective calculated-duty rate and is not part of the customs-value duty base.
  • Customs unit value: 4.255 per kg in 2025, aggregate declared customs value divided by reported quantity across eligible single-unit lines (USITC DataWeb); not a transaction price.
  • For scale, 2025 imports in this family equal 2.4% of the U.S. primary metals industry's $311B gross output (2025, BEA).

Representative rate lines

  • 7604.10.10.00: Profiles · MFN 5%
  • 7604.10.30.00: Having a round cross section · MFN 2.6%
  • 7604.10.50.00: Other · MFN 3%
  • 7604.21.00: Hollow profiles · MFN 1.5%
  • 7604.29.10: Other profiles · MFN 5%
  • 7604.29.30: Having a round cross section · MFN 2.6%
  • 7604.29.50: Other · MFN 3%
  • 7605.11.00.00: Of which the maximum cross-sectional dimension exceeds 7 mm · MFN 2.6%

Frequently asked questions

  • What is the U.S. tariff rate on aluminum semi-finished products? USITC calculated duties imply an effective rate of 53.09% in Jun 2026 (calculated duties ÷ covered customs value, USITC DataWeb). The parseable Column 1 General line-rate range is 0%–6.5%; individual lines are called “Free” only when the official General field is literally Free, and product, origin, preference and tariff mix can contribute to the observed-rate difference.
  • What are the statutory MFN line rates for aluminum semi-finished products? The parseable Column 1 General line-rate range is 0%–6.5% across the family's 29 eight-digit HTS lines in the 2026 Harmonized Tariff Schedule (headings 7604, 7605, 7606, 7607, 7608). “Free” means the official General field is literally Free for a line; it does not determine final entry liability.
  • Which countries supply the most aluminum semi-finished products to the U.S.? Top retained sources in 2025: Canada ($1.5B at 28.91%), South Korea ($1.0B at 32.89%), China ($483.6M at 66.87%). Canada holds 20.1% of total family import customs value. Retained sources cover 65.1%; their HHI is 720, a lower bound whose floor falls in the diversified range without classifying the omitted tail.
  • How much aluminum semi-finished products does the U.S. import? $7.6B of customs value in 2025, with $2.5B in USITC Calculated Duties — an effective calculated-duty rate of 32.81%.
  • Is the U.S. a net importer of aluminum semi-finished products? Yes — a net importer in 2025: $7.6B imported vs $4.7B exported (exports are 62% of imports).
  • What is the customs unit value of aluminum semi-finished products? $4.26/kg in 2025, derived as customs value ÷ reported quantity from USITC DataWeb. It is an aggregate across the family's product and origin mix, not a transaction price or supplier quote.

About this data

  • Reference statistics derived from USITC published data. Not a customs ruling. MFN-Free and Special-rate fields describe statutory line coverage only; final entry liability requires origin, date, eligibility, exclusions and other transaction facts. Calculated Duties are statistical estimates, not a cash-collections ledger. Confirm classification, origin, program eligibility, and final entry liability with a licensed customs broker.

Last reviewed 2026-08-31.