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HSChapter 81
U.S. imports of unwrought magnesium (under 99.8% purity) (HS 810419) totaled $8.7M in April 2026, traded with 14 countries.
Importers of Unwrought Magnesium (Under 99.8% Purity) paid $228K in duties in April 2026 — an effective duty rate of 7.5% on $3.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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.
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.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $5.4M | -- | -$5.4M |
| UNITED KINGDOM | $1.4M | $16K | -$1.4M |
| GERMANY | $686K | -- | -$686K |
| AUSTRIA | $327K | -- | -$327K |
| CZECH REPUBLIC | $266K | -- | -$266K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8104190000 | MAGNESIUM, OTHER, NESOI, UNWROUGHT | $8.7M | 7.48% | $228K |
MAGNESIUM, OTHER, NESOI, UNWROUGHT
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8104190000 | MAGNESIUM, OTHER, NESOI, UNWROUGHT | $66K |
MAGNESIUM, OTHER, NESOI, UNWROUGHT
6.4K kg
COBALT, UNWROUGHT, PWDRS, MATTES ETC
HS 810520
TITANIUM AND ARTICLES THEREOF NESOI
HS 810890
CERMETS AND ARTICLES THEREOF, INC WASTE AND SCRAP
HS 811300
TUNGSTEN WASTE AND SCRAP
HS 810197
UNWROUGHT TITANIUM; POWDERS
HS 810820
GA, HF, INDIUM, NIOBIUM, RHENIUM & ARTI,WAST/SCRP
HS 811292
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $1.7M | -- | -$1.7M |
| LONG BEACH, CA | $1.3M | -- | -$1.3M |
| BALTIMORE, MD | $1.2M | -- | -$1.2M |