Loading...
HSChapter 81
U.S. imports of unwrought zirconium powder (low hafnium grade) (HS 810921) totaled $5.2M in July 2026, traded with 4 countries.
Importers of Unwrought Zirconium Powder (Low Hafnium Grade) paid $742K in duties in July 2026 — an effective duty rate of 14% on $5.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Unwrought Zirconium Powder (Low Hafnium Grade) imports of $5.2M in July 2026 ran 90% above the year-to-date monthly average of $2.7M.
Last updated: July 2026 dataNuclear-grade zirconium powder — defined by a hafnium-to-zirconium ratio of less than 1:500 by weight — is a tightly specified material used primarily in nuclear fuel cladding and reactor components, where hafnium's high neutron-absorption cross-section must be minimized. China is the leading US supplier of this grade, and imports from China are subject to Section 301 tariffs; France and Germany are also significant sources. Because this material can intersect with nuclear nonproliferation controls, importers should confirm whether any applicable export licensing or end-use certificate requirements were satisfied in the country of export before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4 shipments/mo
The 1:500 hafnium-to-zirconium threshold is the defining split between nuclear-grade (low-hafnium) and commercial-grade zirconium in the US tariff schedule. Nuclear-grade material with hafnium below this threshold is classified under 8109210000, while zirconium powders not meeting this specification fall under the NESOI heading 8109290000. Chemical analysis documentation from the producer is essential to support the correct classification at entry.
Low-hafnium zirconium powder intended for nuclear applications may be subject to Nuclear Regulatory Commission (NRC) or Department of Energy oversight depending on the specific end use and destination. Importers should verify whether the foreign supplier obtained any required export authorization and whether the US end user holds the appropriate NRC license. Consulting a licensed customs broker with experience in nuclear materials is strongly advisable.
Subheading 2 of 6 in heading 8109
Subheading 810921 · $5.2M of $16.7M
Supplier Network
Get discovered by U.S. importers searching for HS 810921 — Unwrought Zirconium Powder (Low Hafnium Grade). Be the first supplier listed.
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 |
|---|---|---|---|---|---|
| 8109210000 | Unwrought Zr Powder Lt 1 Pt Hf to 500 Pts Zr by Wt | $5.2M | 14.20% | 100.00% | $742K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8109210000 | Unwrought Zr Powder Lt 1 Pt Hf to 500 Pts Zr by Wt | $2.3M |
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
$5.2MYoY · Pro
Exports
$2.3MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and France together supply 100% of it.
customs district
destination
entry
rate provision · imports
the effective duty rate is 14.20%.