U.S. imports of Iron or Steel Radiators and Parts (SITC 81211) totaled $1.6M in August 2026, imported from 28 countries.
Importers of Iron or Steel Radiators and Parts paid $445K in duties in August 2026, an average duty rate of 28.08% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Iron or Steel Radiators and Parts imports of $1.6M in August 2026 ran 15% above the year-to-date monthly average of $1.4M.
Last updated: August 2026 dataHot-water and steam radiators fabricated from iron or steel are a staple of hydronic heating systems in residential and commercial construction, particularly in European-style building designs. Iron and steel content makes these articles potentially subject to Section 232 tariffs, and importers should confirm country of origin and steel mill certifications to assess exposure. Parts classified under this heading — such as sections, headers, and end caps — may carry different duty treatment than complete radiator assemblies.
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63 import shipments a month
Complete radiators are classified as finished goods, while individual sections, manifolds, and fittings that are identifiable as radiator parts fall under the parts provision. The key classification test is whether the item can function independently as a radiator or serves solely as a component of one.
Iron and steel radiators may be subject to Section 232 tariffs depending on their classification and country of origin. Importers should review current Section 232 product exclusion lists and confirm the applicable HTS subheading with a licensed customs broker to determine actual duty exposure.
Basic heading 353 of 419 in section 8
Basic heading 81211 · $1.6M of $46.9B
Imports · August 2026
origin
Taiwan and China together supply 70% of it. China pays 41.8% duty; United Kingdom 10.2%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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ImportsExports
Imports
$1.6MYoY · free account
Exports
$993KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $15.6M of Iron or Steel Radiators and Parts and exported $19.1M.
Through August 2026. Source: U.S. Census Bureau.