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U.S. imports of iron, steel & ferroalloy steel products (six-digit) (NAICS 331110) totaled $2.4B in July 2026, traded with 86 countries.
Importers of Iron, Steel & Ferroalloy Steel Products (Six-Digit) paid $750.9M in duties in July 2026 — an effective duty rate of 36% on $2.1B in dutiable value, based on actual customs collections rather than the published tariff schedule. Iron, Steel & Ferroalloy Steel Products (Six-Digit) imports of $2.4B in July 2026 ran 13% above the year-to-date monthly average of $2.1B.
Last updated: July 2026 dataAt the most granular NAICS level within this sector, NAICS 331110 captures the full integrated production cycle — from raw iron ore reduction and ferroalloy smelting through the casting of semi-finished steel shapes — within a single classification unit. Facilities coded here typically operate blast furnaces, basic oxygen furnaces, or electric arc furnaces and represent the capital-intensive core of domestic steelmaking capacity. For trade professionals, this code is the NAICS anchor most frequently referenced in Section 232 product exclusion petitions and domestic industry injury analyses before the International Trade Commission. Accurate mapping between this NAICS code and the corresponding HTS chapters is essential for antidumping and countervailing duty scope determinations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
40.3K shipments/mo
The International Trade Commission uses NAICS 331110 to define the domestic like-product industry when evaluating injury petitions for steel products. Petitioners must demonstrate that domestic producers classified under this code compete directly with the imported merchandise under investigation, making precise NAICS-to-HTS crosswalks a critical part of petition preparation.
Yes. NAICS 331110 encompasses both integrated blast furnace/basic oxygen furnace mills that process iron ore and scrap-based electric arc furnace (EAF) mini-mills. The distinction matters commercially — EAF mills have lower capital costs and faster ramp times — but both production routes fall within the same six-digit classification.
NAICSSector 33
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National industry 1 of 1 in naics industry 33111
National industry 331110 · $2.4B of $2.4B
Imports · July 2026
origin
customs district
Census does not publish district detail for this classification system.
destination
None recorded for this period.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$2.4BYoY · Pro
Exports
$1.2BYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.