U.S. imports of Fabricated Structural Metals (NAICS 332312) totaled $498.6M in August 2026, imported from 89 countries.
Importers of Fabricated Structural Metals paid $184.6M in duties in August 2026, an average duty rate of 37.45% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataStructural metal fabrications — beams, columns, trusses, grating, and similar load-bearing elements cut, drilled, or welded to specification — are a core input for construction, energy infrastructure, and heavy manufacturing. Antidumping and countervailing duty orders on certain steel structural products from multiple countries have been a persistent feature of this trade landscape, making origin verification and scope analysis critical steps before entry. The distinction between a fabricated structural article and a semi-finished mill product is frequently litigated at CBP and the Court of International Trade.
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18.2K import shipments a month
Multiple antidumping and countervailing duty orders cover specific structural steel products from various countries. Importers must conduct a scope analysis to determine whether their specific product — defined by dimensions, grade, and processing — falls within an active order, and may need to post cash deposits or request a scope ruling from the Department of Commerce.
Operations such as cutting to length, punching, drilling, welding, or coating to meet a specific structural application generally move a product from mill-product classification into fabricated-article territory. However, the line is fact-specific; a customs broker or trade attorney should review the manufacturing process for borderline cases.
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National industry 1 of 3 in naics industry 33231
National industry 332312 · $498.6M of $523.3M
Imports · August 2026
origin
Mexico and Canada together supply 45% of it. China pays 73.6% duty; Mexico 20.1%.
customs district
Census does not publish district detail for this classification system.
destination
Census publishes state breakdowns for NAICS to the 4-digit level only. See NAICS 3323 for those.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$498.6MYoY · free account
Exports
$94.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $5.8B of Fabricated Structural Metals and exported $985.6M.
Through August 2026. Source: U.S. Census Bureau.