U.S. Expands Steel and Aluminum Tariffs to More Products

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On August 19, 2025, the U.S. Department of Commerce, Bureau of Industry and Security (BIS), published a notice adding new products to its steel and aluminum tariffs. This action follows Presidentially issued Proclamations 10895 and 10896, dated February 10, 2025.

New Products Covered

BIS added 407 new product codes (called HTSUS codes) to the list of items considered steel and aluminum derivative products. These products will now have the steel and aluminum tariffs applied to them, based on the value of the steel or aluminum content inside each product.

For 60 other product codes, BIS did not add them at this time because they are part of ongoing investigations.

The full list of new HTSUS codes now covered by the tariffs is listed in the annexes of the notice.

When This Starts

The new duties take effect for products entered for consumption, or taken out of warehouse for consumption, at or after 12:01 a.m. (Eastern Time) on August 18, 2025.

What the Notice Changes

  • Adds hundreds of HTSUS codes to the list of steel and aluminum derivative products.
  • Explains that these products are only subject to extra tariffs for the value of their steel or aluminum content. Other parts of the products will keep their usual tariffs.
  • States that products which entered a U.S. foreign trade zone under “privileged foreign status” before August 18, 2025, are covered unless the steel was melted and poured in the U.S.
  • Makes technical corrections to the Harmonized Tariff Schedule (HTSUS) to clarify tariffs apply to steel or aluminum content only.
  • Lists which tariff codes are changed and what text changes have been made for legal clarity.

How This Was Decided

President Biden’s Proclamations in February told the Secretary of Commerce to adjust the tariff schedule and create a process to include more steel and aluminum derivative products. BIS was told to publish any changes in the Federal Register.

The first round of submissions for new product inclusions opened on May 1, 2025. BIS reviewed public submissions and decided which products to add.

About Tariff Application

Steel and aluminum tariffs under these rules will be measured based on the steel or aluminum value in each product, not the entire product value. Extra tariffs on non-steel or non-aluminum parts will still apply.

For More Details

The legal memoranda and the full list of affected product codes (HTSUS codes) are available at: https://www.regulations.gov/docket/BIS-2025-0023/document

Summary Table of Main Actions

  • 407 new product codes added for steel and aluminum tariffs
  • Other tariffs apply to non-steel and non-aluminum parts
  • 60 codes not included due to ongoing investigations
  • Changes effective August 18, 2025, at 12:01 a.m. Eastern Time
  • Technical clarifications to tariff schedule made

Contact

Robby S. Saunders, Deputy Assistant Secretary for Technology Security, signed the notice on behalf of BIS.

The changes are published in the Federal Register, Volume 90, Number 158, pages 40326-40329.


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