3/4 Inch Crushed Limestone Gravel
Angular crushed limestone gravel sized 3/4 inch, ideal for road base and concrete mixing. Provides excellent compaction for driveways and parking lots. Classified under HTS 2517.10.00.15 for gravel used in concrete aggregates and road metalling.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If >70% calcium carbonate and meets limestone flux specifications
High-purity limestone for metallurgical flux classifies in 2521, separate from construction gravel.
If predominantly broken/crushed stone vs mixed gravel
Statistical break distinguishes pure broken stone from gravel/pebble mixtures.
If calcined and processed into marble granules
Heat-treated/calcined marble products excluded by chapter notes, classify as worked marble articles.
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Import Tips & Compliance
• Include sieve analysis test results showing compliance with AASHTO M43 grading for road aggregates
• Label shipments clearly as 'road metalling gravel' vs decorative to avoid higher decorative stone tariffs
• Check for calcium carbonate content certification; high purity limestone may qualify for preferential tariffs
Related Products under HTS 2517.10.00.15
River Washed Pea Gravel
Smooth, rounded pebbles typically 3/8 inch in diameter, sourced from riverbeds and washed for cleanliness. Commonly used as concrete aggregate in residential driveways and decorative landscaping mulch. Falls under HTS 2517.10.00.15 as pebbles and gravel for concrete aggregates or road ballast.
Railway Ballast Granite Gravel
Hard, angular 1.5-2 inch granite gravel specifically sized for railway track underlayment. Provides superior drainage and stability for heavy rail traffic. HTS 2517.10.00.15 covers gravel used for railway ballast per heading description.
Heat-Treated River Flint Shingle
Durable flint pebbles heat-treated for improved weathering resistance, used in concrete aggregates and road metalling. The thermal processing enhances bonding properties without altering basic classification. Covered by HTS 2517.10.00.15 including heat-treated shingle and flint.
Concrete Ready-Mix Aggregate Gravel
Pre-washed 57 stone gravel blend (3/4-1 inch) specifically graded for ready-mix concrete production. Meets ASTM C33 Size No. 57 specifications for optimal workability and strength. HTS 2517.10.00.15 for pebbles/gravel commonly used for concrete aggregates.
Road Base Crusher Run Gravel
Mixture of crushed stone and stone dust (0-1.5 inch) used as road sub-base material. Provides excellent compaction and load-bearing capacity for highways. Classifies under HTS 2517.10.00.15 for gravel used in road metalling.
Decorative 1-2 Inch River Rock
Smooth, rounded 1-2 inch river rocks primarily used around landscaping features despite natural concrete aggregate properties. Commonly applied in dry creek beds and ground cover. HTS 2517.10.00.15 covers pebbles regardless of decorative application if suitable for construction use.