SITCSection 2

Non-Granulated Slag, Dross, Scalings & Iron/Steel Manufacturing Waste

Name: Non-Granulated Slag, Dross, Scalings & Iron/Steel Manufacturing Waste (SITC 27862) -- U.S. Export Data
Creator: U.S. Census Bureau
License: https://www.census.gov/about/policies/open-gov/open-data.html

SITC 27862Basic heading5-digit

U.S. imports · July 2026: $798K; YTD $6.4M

U.S. exports · July 2026: $3.4M

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Balance · July 2026: Loading the trade balance

U.S. exports of non-granulated slag, dross, scalings & iron/steel manufacturing waste (SITC 27862) totaled $3.4M in July 2026.

Non-Granulated Slag, Dross, Scalings & Iron/Steel Manufacturing Waste imports of $798K in July 2026 ran 13% below the year-to-date monthly average of $920K.

Last updated: July 2026 data

Air-cooled blast-furnace slag, electric-arc furnace slag, mill scale, and dross generated during iron and steel production are grouped here — distinct from the granulated variety that carries cementitious value. These materials find secondary markets as road-base aggregate, railroad ballast, and raw material for mineral wool insulation, with mill scale recycled as an iron-oxide feedstock for pigments or re-smelting. Classification hinges on the specific waste type and its physical form, as some dross and scalings may alternatively qualify under scrap metal headings depending on iron content and processing state.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.

97 shipments/mo

12-month trend

ImportsExports

Imports

$798KYoY · Pro

Exports

$3.4MYoY · Pro

12-mo low · imports

YoY · Pro

$6.9M$0

June 2025December 2025July 2026

Through July 2026. Source: U.S. Census Bureau.

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Basic heading 138 of 239 in section 2

Share of section 2 imports0.02%

Basic heading 27862 · $798K of $3.8B

Where it comes from, where it lands, what it pays

Exports · July 2026

Countries

destination

Canada and Mexico together take 100% of it.

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Districts

customs district

Census does not publish district detail for this classification system.

States

origin

Census does not publish state detail for this classification system.

Ports

entry

Census does not publish port detail for this classification system.

Frequently Asked Questions

Can mill scale imported under this heading be used directly as a steelmaking raw material?

Mill scale — the iron-oxide flake that forms on hot-rolled steel surfaces — is commonly recycled as a sintering feed or direct-reduced iron input. However, importers should confirm that the material's iron content and form do not reclassify it under iron ore or scrap headings, as the distinction affects duty treatment and may trigger different documentation requirements.

What are the main commercial uses for air-cooled blast-furnace slag imported into the US?

Air-cooled slag is primarily crushed and sized for use as road-base aggregate, drainage fill, and railroad ballast, where its hardness and angular particle shape are advantageous. It also serves as a raw material for mineral wool (rock wool) insulation manufacturing when the chemistry is suitable.