Other machinery
Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or molding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry molds of sand; parts thereof: > Other machinery
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 8474.80.00
Vibratory Feeder for Ore Crushing Lines
Electromechanical vibratory feeder that meters ore into primary crushers at controlled rates in processing plants. Under HTS 8474.80.00 as machinery for mineral processing operations. Prevents bridging and overloads.
Pug Mill for Mineral Mixing
Twin-shaft pug mill mixer that kneads clay, lime, and aggregates with water for stabilized base materials. HTS 8474.80.00 for mixing mineral substances in paste form. Used in road base and dam construction.
Gyratory Crusher for Primary Ore Reduction
Large gyratory crusher for primary reduction of run-of-mine ore in large-scale mining operations. Falls under HTS 8474.80.00 crushing earth/stone/ores. Handles high tonnage with large feed size acceptance.
Attrition Scrubber for Mineral Cleaning
High-intensity attrition scrubber with counter-rotating propellers that scrubs mineral particles clean through particle-on-particle abrasion. HTS 8474.80.00 washing/grinding minerals. Prepares silica sand for glass making.
Roll Crusher for Coal Preparation
Double-roll crusher that gently crushes coal to controlled sizes while minimizing fines in preparation plants. HTS 8474.80.00 includes machinery for crushing solid mineral fuels. Prevents dust generation in handling.
Hydrocyclone Separator for Mineral Slurry
Centrifugal hydrocyclone that classifies mineral slurries by particle size in closed-circuit grinding mills. Classified HTS 8474.80.00 for separating mineral substances. High-throughput desliming and classification.
Jaw Crusher for Ore Processing
A heavy-duty jaw crusher designed to crush large chunks of ore into smaller sizes for further processing in mining operations. It falls under HTS 8474.80.00 as machinery for crushing ores and other mineral substances in solid form. The robust steel construction handles abrasive materials like iron ore effectively.
Ball Mill for Mineral Grinding
A rotating cylindrical grinder filled with steel balls to pulverize mineral ores into fine powder for mineral processing plants. Classified under HTS 8474.80.00 for grinding machinery of mineral substances in solid form. Essential for achieving particle size reduction in gold and copper mining.
Vibrating Screen for Ore Separation
Industrial vibrating screen that separates ore particles by size through vibration and mesh sizing in mineral processing lines. Falls under HTS 8474.80.00 as other machinery for screening mineral substances. Used downstream of crushers to classify materials for flotation.
Rotary Drum Washer for Mineral Cleaning
Tumbling drum washer that cleans clay, sand, and ore by water agitation and scrubbing to remove impurities. Classified in HTS 8474.80.00 for washing machinery of mineral substances. Critical preprocessing step before grinding in aggregate plants.
Magnetic Separator for Ore Beneficiation
Electromagnetic drum separator that removes ferrous impurities from crushed ore using magnetic fields in mineral processing. Under HTS 8474.80.00 as separating machinery for mineral substances. Enhances ore grade for steel production.
Impact Crusher for Stone Crushing
High-speed impact crusher that breaks stone and aggregates using rotating hammers for construction material production. HTS 8474.80.00 covers crushing machinery for earth, stone, and minerals. Produces cubical shapes ideal for concrete.
Flotation Cell for Mineral Separation
Agitated tank flotation machine that separates valuable minerals from gangue using chemical froth in ore beneficiation plants. Falls under HTS 8474.80.00 for mineral separating machinery. Key for copper, lead, zinc recovery.
Cone Crusher for Secondary Ore Crushing
Hydraulic cone crusher for secondary and tertiary crushing of hard ores like granite and iron ore in quarries. HTS 8474.80.00 for ore crushing machinery. Provides high reduction ratio and product cubicity.
Sand Washing Screw Conveyor
Helical screw washer that scrubs and dewaters sand while conveying through a trough for aggregate production. Under HTS 8474.80.00 as washing machinery for mineral substances like sand. Removes clay and silt contaminants.