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Section 232ProposedPublished August 6, 2026

Commerce seeks comments on adding 14 Section 232 derivative products

Commerce requested comments on a proposal to add 14 derivative articles to the scope of Section 232 aluminum, steel, and copper duties. The proposal covers products ranging from aluminum powder and cables to trailers, cranes, and certain filled steel containers.

Authority
Section 232
Status
Proposed
Effective
Comments due August 27, 2026
Rate
Mostly 25%, with some 15% and 50% proposals

What this affects

Product categories
Aluminum powderMusical instrumentsWelding machine partsFloor safesElectric conductor cablesFire extinguishersHeat exchange unit partsHydraulic engine and motor partsCranes and lifting framesTrailers and semi-trailersFilled steel containers
HTS codes and chapters
7603.10.0000Aluminum powder of a non-lamellar structure
9205.10.0000Brass-wind musical instruments
8515.90.2000Parts of welding machines and apparatus
8544.49.2000Electric conductor cables
8424.10.0000Fire extinguishers
8426.12.0000Mobile lifting frames on tires and straddle carriers
8716.31.00Tanker trailers and tanker semi-trailers
2711.12.0020Propane in filled steel containers, as specified

Codes are a starting point, not a classification. Confirm your own 10-digit HTS before you rely on a rate, using our HTS classification guide.

The update

The Bureau of Industry and Security issued a notice requesting public comments on a proposal to add 14 derivative articles to the scope of Section 232 duties on aluminum, steel, and copper. The notice says Commerce has information indicating these imports tend to be composed predominantly of aluminum, steel, and or copper by weight and threaten to undermine the objectives of earlier Section 232 actions.

The proposed products are aluminum powder, brass-wind musical instruments and parts, parts of welding machines, floor safes, certain electric conductor cables, fire extinguishers, parts of heat exchange units, parts of certain hydraulic engines and motors, certain self-propelled cranes and mobile lifting frames, tanker trailers and semi-trailers, self-loading or self-unloading agricultural trailers and semi-trailers, certain other trailers and semi-trailers, and certain filled steel containers for specified chemicals and related items. The notice cites Proclamation 11021 as authority for adding derivative articles, and says certain mobile industrial equipment would instead generally be subject to the rates prescribed in Proclamation 11032.

Commerce proposes that most of the listed products would generally be subject to a 25% tariff. It proposes a 15% tariff for self-loading or self-unloading trailers and semi-trailers for agricultural purposes, and a 50% tariff for certain filled steel containers and related items for specified chemicals, applying only to the value of the metal container and not the contents. Comments may be submitted at any time but must be received by August 27, 2026.

Impact

This notice does not impose new duties yet, but it identifies products that could be brought into Section 232 scope. Importers of the named goods may need to model higher landed costs, especially where the proposal points to 25%, 15%, or 50% treatment and where only part of an item's value may be dutiable.

What to watch

This is a request for comments, not a final implementation notice. The product scope, duty treatment, and final inclusion decision could change, and some items in the list are proposed to follow different proclamations or apply duty only to the metal container value.

How to prepare

  1. 1
    Map SKUs to listed HTS codes

    Identify affected products and compare current classifications to the notice's cited headings.

  2. 2
    Model proposed duty exposure

    Estimate landed cost impact using the proposed tariff treatment for each product type.

  3. 3
    Review product composition records

    Keep support for metal content because the notice focuses on aluminum, steel, and copper intensity.

  4. 4
    Coordinate with customs broker

    Confirm how the cited HTS codes and any partial-value treatment could be handled if finalized.

Sources

We summarize published reporting and official notices. Always confirm rates and dates against the Federal Register or your customs broker before acting on them.