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U.S. imports of wire of silico-manganese steel (HS 722920) totaled $8.5M in July 2026, traded with 15 countries.
Importers of Wire of Silico-Manganese Steel paid $4.1M in duties in July 2026 — an effective duty rate of 48% on $8.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Wire of Silico-Manganese Steel imports of $8.5M in July 2026 ran 12% above the year-to-date monthly average of $7.6M.
Last updated: July 2026 dataSilico-manganese steel wire — alloyed with both silicon and manganese for enhanced strength and spring characteristics — is widely used in welding consumables, spring wire, and reinforcement applications where standard carbon steel wire lacks sufficient tensile performance. The US schedule breaks this heading into copper-plated welding wire under 1.6 mm (7229200010), arc-welding wire under 1.6 mm (7229200015), and a residual NESOI line (7229200090), with the welding wire lines reflecting the product's major end use in MIG/MAG welding. Vietnam leads US imports under this heading, with Mexico and Italy also significant sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
489 shipments/mo
Both lines cover round wire under 1.6 mm with less than 0.20% carbon, but 7229200010 is specifically for copper-plated wire, while 7229200015 covers arc-welding wire that is not copper-plated. The copper plating improves electrical conductivity and feedability in MIG welding torches; the presence or absence of that coating, confirmed by the product specification sheet or mill certificate, determines which line applies.
The US has maintained antidumping and countervailing duty orders on steel wire products from various countries, and Vietnam has been subject to orders on certain steel wire categories. Importers should check the current scope of any active orders with CBP and the Department of Commerce, as scope language for alloy wire grades can be technically specific and may or may not capture silico-manganese compositions.
HSChapter 72
Subheading 1 of 2 in heading 7229
Subheading 722920 · $8.5M of $16.2M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7229200010 | Silico-Mang Wire,Rnd,< 1.6mm,< .20% Car,Plt Copper | $7.4M | 49.60% | 99.71% | $3.7M |
| 7229200015 | Silico-Mang Wire,Rnd,< 1.6mm,< .20% Car,Arc Weld | $644K | 39.93% | 99.28% | $257K |
| 7229200090 | Wire of Silico-Manganese Steel, NESOI | $524K | 35.40% | 100.00% | $185K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7229200000 | Wire of Silico-Manganese Steel | $670K |
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.
ImportsExports
Imports
$8.5MYoY · Pro
Exports
$670KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Vietnam and Mexico together supply 47% of it.
customs district
destination
entry
rate provision · imports
0.3% enters free of duty; the effective duty rate is 48.00%.