U.S. exports of Roasted Molybdenum Ores and Concentrates (HS 261310) totaled $69.8M in August 2026.
Roasted Molybdenum Ores and Concentrates imports of $4.8M in August 2026 ran 32% below the year-to-date monthly average of $7.1M.
Last updated: August 2026 dataRoasting is the processing step that distinguishes this heading from its unroasted counterpart: calcining molybdenite concentrate converts it to molybdic oxide (MoO₃), the intermediate form preferred by steel alloy and chemical producers. Mexico and Chile are the leading US suppliers, consistent with their roles as major copper-molybdenum porphyry mining nations where moly is recovered as a byproduct. Because roasted concentrate is a higher-value, further-processed product, importers should verify that the roasting step was completed prior to export to support classification here rather than under the unroasted heading.
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8 import shipments a month
The key indicator is conversion of molybdenite (MoS₂) to molybdic oxide (MoO₃) through thermal oxidation. A mill certificate or process declaration from the exporting facility confirming the roasting step, along with an assay showing the oxide form, is the standard supporting documentation customs brokers recommend.
Both countries host significant chemical and metallurgical processing operations. Roasted moly concentrate from Latin American mines is sometimes further processed or traded through European facilities before re-export to the US, so the declared country of export may differ from the country of origin — a distinction that affects duty treatment and origin marking.
Subheading 1 of 2 in heading 2613
Subheading 261310 · $69.8M of $130.0M
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ImportsExports
Imports
$4.8MYoY · free account
Exports
$69.8MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $100.3M of Roasted Molybdenum Ores and Concentrates and exported $703.4M.
Through August 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share |
|---|---|---|---|---|
| 2613100000 | Molybdenum Ores and Concentrates Roasted | $5.7M | 0.00% | 0.09% |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2613100000 | Molybdenum Ores and Concentrates Roasted | $69.8M |
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.
Exports · August 2026
destination
Netherlands and United Kingdom together take 59% of it.
customs district
origin
entry
rate provision · imports
99.9% enters free of duty; duty collected equals 0.00% of imports for consumption.