Basalt Concrete Aggregate
Crushed basalt stone aggregate with excellent compressive strength, sized for ready-mix concrete production. HTS 2517.10.00 classification due to primary use in concrete aggregates and road base. Dark color from natural iron content.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If landscape decorative basalt
Non-construction end-use basalt gravel uses different subheading.
If micaceous iron oxide content
Natural micaceous iron oxides specifically covered by heading 2530 per chapter note.
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Import Tips & Compliance
• ASTM C33 Type B grading certification essential for concrete aggregate acceptance
• Soundness test results (sodium sulfate) required for durable construction stone
• Avoid fieldstone mix; pure crushed basalt maintains correct classification
Related Products under HTS 2517.10.00
Railway Ballast Crushed Stone
Hard crushed stone, typically basalt or granite sized 1.5-2.5 inches, used as railway ballast to support tracks and facilitate drainage. Meets HTS 2517.10.00 criteria as broken stone for railway ballast applications. Angular shape from crushing prevents shifting under load.
Crushed Marble Road Metal
Crushed marble chips used as road metalling material in rural roads and driveways, providing white decorative surface course. Although marble originates from heading 2515, crushing for road use brings it under HTS 2517.10.00. Angular particles ensure good compaction.
Washed Sea Shingle Ballast
Washed sea shingle consisting of rounded pebbles collected from coastal areas, sized for railway or crane mat ballast applications. HTS 2517.10.00 explicitly includes shingle for ballast uses. Natural salt content removed by washing.
Quartzite Crushed Road Aggregate
High-silica quartzite crushed to 1-2 inch size for road shoulder and base course construction. Exceptional hardness makes it ideal for heavy traffic roads under HTS 2517.10.00. Heat-treated versions improve frost resistance.
Gneiss Railway Ballast
Metamorphic gneiss crushed to AREMA #4 ballast specification for mainline railway track support. Provides excellent lateral stability under HTS 2517.10.00 railway ballast provision. Banded appearance from mineral layering.
Traprock Concrete Coarse Aggregate
Dense traprock (diabase) crushed to 1-1/2 inch maximum size for structural concrete coarse aggregate. Superior bonding properties under HTS 2517.10.00 concrete aggregate use. Dark green-black color.