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U.S. imports of uncoated wire of iron or nonalloy steel (HS 721710) totaled $14.9M in July 2026, traded with 32 countries.
Importers of Uncoated Wire of Iron or Nonalloy Steel paid $6.8M in duties in July 2026 — an effective duty rate of 49% on $13.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataCarbon content and diameter are the twin classification axes for uncoated iron and nonalloy steel wire, with the US schedule subdividing this heading into more than twenty 10-digit lines distinguishing flat versus round cross-section, low-carbon (under 0.25%) versus medium- and high-carbon grades, and heat-treated versus non-heat-treated condition. These distinctions matter commercially because high-carbon wire feeds spring, tire cord, and prestressed concrete strand production, while low-carbon wire serves welding, mesh, and general fabrication uses. Mexico and Canada are the leading import sources, with South Korea also a significant supplier.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.0K shipments/mo
Heat treatment — typically patenting or annealing — alters the mechanical properties of wire and is commercially significant for downstream processors. The US tariff schedule uses heat-treated versus non-heat-treated as a classification criterion within several carbon-content and diameter brackets, so importers must confirm the thermal processing history with the mill to select the correct 10-digit line.
Flat wire has a rectangular or near-rectangular cross-section, while round wire has a circular cross-section. The distinction is based on the actual cross-sectional geometry of the finished wire as drawn, not the shape of the original rod. Mill certificates typically specify cross-section geometry; when the shape is ambiguous, a customs broker or CBP ruling request can provide classification certainty.
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Subheading 1 of 4 in heading 7217
Subheading 721710 · $14.9M of $37.8M
ImportsExports
Imports
$14.9MYoY · Pro
Exports
$6.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Mexico and Canada together supply 45% of it.
customs district
destination
entry
rate provision · imports
3.7% enters free of duty; the effective duty rate is 45.56%.