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HSChapter 81
U.S. imports of unwrought magnesium (under 99.8% purity) (HS 810419) totaled $8.3M in July 2026, traded with 16 countries.
Importers of Unwrought Magnesium (Under 99.8% Purity) paid $173K in duties in July 2026 — an effective duty rate of 7.2% on $2.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataClassified under a single 10-digit line (8104190000), this grade of unwrought magnesium — containing less than 99.8% magnesium by weight — is the commercial-purity form used in aluminum alloying, die casting, and desulfurization applications where ultra-high purity is not required. South Korea leads US import supply, followed by the United Kingdom and Czech Republic, reflecting European and Asian smelting capacity outside China. Importers should note that unwrought magnesium from certain origins has historically been subject to antidumping measures, making origin documentation and mill certificates critical at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
113 shipments/mo
HTS heading 810411 covers unwrought magnesium of 99.8% or higher purity, while 810419 captures all other unwrought magnesium below that threshold. The purity cutoff is determined by the certified chemical composition on the mill certificate, so importers must obtain accurate assay documentation to classify correctly.
Unwrought magnesium has been subject to antidumping duty orders from specific countries in the past. Importers should verify current order scope and applicable AD/CVD case numbers with CBP or a licensed customs broker before entry, as duty liability can be significant and retroactive.
Subheading 2 of 5 in heading 8104
Subheading 810419 · $8.3M of $33.1M
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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 |
|---|---|---|---|---|---|
| 8104190000 | Magnesium, Other, NESOI, Unwrought | $8.3M | 2.10% | 28.93% | $173K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8104190000 | Magnesium, Other, NESOI, Unwrought | $501K |
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
$8.3MYoY · Pro
Exports
$501KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Korea, South and Germany together supply 67% of it.
customs district
destination
entry
rate provision · imports
72.7% enters free of duty; the effective duty rate is 2.10%.