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HSChapter 81
U.S. imports of zirconium and articles thereof, low hafnium grade (nesoi) (HS 810991) totaled $5.5M in April 2026, traded with 6 countries.
Importers of Zirconium and Articles Thereof, Low Hafnium Grade (NESOI) paid $235K in duties in April 2026 — an effective duty rate of 14% on $1.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Zirconium and Articles Thereof, Low Hafnium Grade (NESOI) imports of $5.5M in April 2026 ran 11% below the year-to-date monthly average of $6.2M.
Last updated: April 2026 dataWrought and fabricated zirconium articles containing less than 1 part hafnium per 500 parts zirconium — including tubes, bars, and structural components used in nuclear reactors — are among the most tightly specification-controlled metals in international trade. France and Japan are the leading US suppliers under this heading, reflecting the concentration of nuclear fuel cycle manufacturing in those countries. Importers should be prepared to provide mill certifications and, where applicable, end-use declarations to support both customs classification and any applicable nuclear regulatory requirements.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Zircaloy and other zirconium-based alloys used in nuclear applications are generally classified under heading 8109 based on their zirconium content and hafnium ratio. If the alloy contains less than 1 part hafnium per 500 parts zirconium and is in a wrought or fabricated form, it would typically fall under 8109910000. However, if the alloy's composition or form places it closer to another heading, a binding ruling from CBP is advisable to confirm classification.
Both countries host major nuclear fuel cycle industries — including companies that produce zirconium cladding tubes and structural components for light-water reactors — and have long-established quality systems certified to nuclear industry standards. Their dominance reflects decades of investment in hafnium-separation technology and nuclear-grade fabrication capacity, which creates high barriers to entry for alternative suppliers.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| FRANCE | $5.5M | $1.4M | -$4.1M |
| KOREA, SOUTH | -- | $6.7M | +$6.7M |
| CANADA | -- | $3.3M | +$3.3M |
| SPAIN | -- | $2.6M | +$2.6M |
| CZECH REPUBLIC | -- | $2.2M | +$2.2M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8109910000 | ZR AND ARTICLES LT 1 PT HF TO 500 PTS ZR BY WT NES | $5.5M | 13.70% | $235K |
ZR AND ARTICLES LT 1 PT HF TO 500 PTS ZR BY WT NES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8109910000 | ZR AND ARTICLES LT 1 PT HF TO 500 PTS ZR BY WT NES | $20.3M |
ZR AND ARTICLES LT 1 PT HF TO 500 PTS ZR BY WT NES
72.9K 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
| State | Imports | Exports | Balance |
|---|---|---|---|
| Utah | -- | $8.5M | +$8.5M |
| Pennsylvania | $5K | $6.9M | +$6.9M |
| Washington | $3.8M | -- | -$3.8M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LONG BEACH, CA | -- | $6.7M | +$6.7M |
| NEW YORK, NY | -- | $4.0M | +$4.0M |
| SEATTLE, WA | $3.6M | $90K | -$3.5M |