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SITCSection 7
U.S. imports of machinery for sorting, screening, separating or washing ores & mineral substances (SITC 72831) totaled $29.2M in April 2026, traded with 24 countries.
Importers of Machinery for Sorting, Screening, Separating or Washing Ores & Mineral Substances paid $1.9M in duties in April 2026 — an effective duty rate of 10% on $18.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Machinery for Sorting, Screening, Separating or Washing Ores & Mineral Substances imports of $29.2M in April 2026 ran 15% above the year-to-date monthly average of $25.5M.
Last updated: April 2026 dataVibrating screens, jigs, spirals, dense-medium separators, and hydrocyclones used in mineral processing operations are the commercial core of SITC 72831, serving mining, quarrying, and aggregate production industries worldwide. Equipment in this heading handles solid mineral substances in forms ranging from coarse rock to fine powder or paste, and its classification depends on the primary mechanical action — separation or washing — rather than the specific mineral being processed. Sizing and throughput capacity are the principal commercial specifications that differentiate product tiers within this heading.
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Yes. A trommel screen performs a screening and separating function on solid mineral substances, which is precisely the scope of SITC 72831. The specific mineral being processed — gold-bearing gravel, coal, iron ore — does not change the classification; the mechanical function governs.
SITC 72831 covers size-classification and washing operations that sort or separate already-sized material, while SITC 72832 covers size-reduction operations — crushing and grinding. In a typical mineral processing circuit, crushing and grinding equipment (72832) precedes the sorting and screening equipment (72831), and the two headings are mutually exclusive based on the primary mechanical action performed.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $10.7M | $5.9M | -$4.7M |
| UNITED KINGDOM | $12.8M | $214K | -$12.6M |
| INDIA | $1.5M | $523K | -$1.0M |
| ARGENTINA | -- | $1.8M | +$1.8M |
| GERMANY | $1.2M | -- | -$1.2M |
Monthly import values over time