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HSChapter 25
U.S. imports of unroasted iron pyrites (HS 250200) totaled $251K in July 2026, traded with 10 countries.
Importers of Unroasted Iron Pyrites paid $68K in duties in July 2026 — an effective duty rate of 29% on $236K in dutiable value, based on actual customs collections rather than the published tariff schedule. Unroasted Iron Pyrites imports of $251K in July 2026 ran 59% below the year-to-date monthly average of $613K.
Last updated: July 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.
6 shipments/mo
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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Subheading 1 of 1 in heading 2502
Subheading 250200 · $251K of $251K
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 |
|---|---|---|---|---|---|
| 2502000000 | Unroasted Iron Pyrites | $251K | 27.18% | 94.13% | $68K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2502000000 | Unroasted Iron Pyrites | $216K |
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
$251KYoY · Pro
Exports
$216KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and South Africa together supply 85% of it.
customs district
destination
entry
rate provision · imports
5.9% enters free of duty; the effective duty rate is 27.18%.