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HSChapter 25
U.S. imports of unroasted iron pyrites (HS 250200) totaled $69K in April 2026, traded with 6 countries.
Importers of Unroasted Iron Pyrites paid $7K in duties in April 2026 — an effective duty rate of 10% on $69K in dutiable value, based on actual customs collections rather than the published tariff schedule. Unroasted Iron Pyrites imports of $69K in April 2026 ran 78% below the year-to-date monthly average of $315K.
Last updated: April 2026 dataIron pyrites (iron disulfide, FeS₂) in its natural, unroasted form is used primarily as a feedstock for sulfuric acid production and as a raw material in the chemical and metallurgical industries. Finland is the leading US import source, reflecting Scandinavia's significant base-metal mining sector, with China and South Africa also among suppliers. Because pyrites are a mineral commodity with no mandatory admissibility review, entry is straightforward, though importers should be aware that Chinese-origin mineral products may be subject to Section 301 tariff considerations.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Roasting iron pyrites in air converts the iron disulfide to iron oxide and releases sulfur dioxide, which is captured to produce sulfuric acid. Once roasted, the residue (iron oxide cinder) is classified differently — typically under iron ore or oxide headings in Chapter 26. The 'unroasted' qualifier in 250200 is therefore a critical processing-stage distinction that determines whether the material belongs here or in a downstream heading.
Iron pyrites are not currently on the US critical minerals list in the same way as graphite or rare earths, so there are no special import licensing or strategic stockpile requirements. However, importers sourcing from China should verify current Section 301 tariff applicability, as mineral products from China have been subject to additional duties depending on their specific classification.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | -- | $140K | +$140K |
| ITALY | $28K | -- | -$28K |
| PERU | $22K | -- | -$22K |
| MALAYSIA | -- | $18K | +$18K |
| SOUTH AFRICA | $18K | -- | -$18K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2502000000 | UNROASTED IRON PYRITES | $69K | 10.00% | $7K |
UNROASTED IRON PYRITES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2502000000 | UNROASTED IRON PYRITES | $174K |
UNROASTED IRON PYRITES
179 t
PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT
HS 252329
SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL
HS 250300
SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR
HS 250100
UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK
HS 251010
FLUORSPAR OV 97% OF CALCIUM FLUORD BY WGHT
HS 252922
PEBBLES, GRAVEL ETC. FOR CONCRETE AGGREGATES ETC.
HS 251710
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | -- | $78K | +$78K |
| NORFOLK-NEWPORT NEWS, VA | $51K | -- | -$51K |
| CALEXICO-EAST, CA | -- | $45K | +$45K |