ASTM C33 #67 Coarse Concrete Gravel
Precisely graded 1/2 x 3/8 inch gravel meeting ASTM C33 Size #67 for concrete coarse aggregate. Essential for high-strength structural concrete production. Classifies under HTS 2517.10.00.15 as pebbles/gravel commonly used for concrete aggregates.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If heat-treated to specific temperatures >500°C
High-temperature heat treatment may qualify as granules of 2515/16 origin.
If portland cement clinker aggregate replacement
Clinker-based aggregates classify with cement raw materials.
If chemically treated for specialized concrete
Chemical modification creates prepared binder under Chapter 38.
Not sure which classification is right?
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Import Tips & Compliance
• Independent lab certification of ASTM C33 compliance mandatory for acceptance
• Micro-Deval abrasion test (<25% loss) documentation for durability proof
• Specify single-size gradation vs blend to match exact statistical reporting
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.
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.
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.