HTS heading 2517 · Chapter 25

HTS 2517: Pebbles, gravel, broken or crushed stone, of a kind…

HTS heading 2517 covers pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast; shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated. It has 5 tariff lines with a duty rate; the general (MFN) rates are Free (5 lines).

Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.

Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.

HTS code

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Country of origin

Customs value (USD)

Mode of transport

Entry date

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Tariff lines and duty rates

HTS code	Description	General	Column 2	Estimate
2517.10.00	Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast, shingle and flint, whether or not heat-treated	Free	30%
2517.10.00.15	Pebbles and gravel[t]			Estimate →
2517.10.00.20	Limestone, except pebbles and gravel[t]			Estimate →
2517.10.00.55	Other[t]			Estimate →
2517.20.00.00	Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10[t]	Free	30%	Estimate →
2517.30.00.00	Tarred macadam[t]	Free	30%	Estimate →
	Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated:
2517.41.00.00	Of marble[t]	Free	30%	Estimate →
2517.49.00.00	Other[t]	Free	$1.10/t	Estimate →

8 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.

Example: base duty and fees on $10000

For HTS 2517.10.00 at the general rate of Free, shipped by ocean, before any Chapter 99 tariffs:

Base duty (Free)	$0.00
Merchandise Processing Fee (0.3464%, min $34.58)	$34.64
Harbor Maintenance Fee (0.125%)	$12.50
Duty and fees	$47.14

Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.

Frequently asked questions

What is the duty rate for HTS 2517?

Heading 2517 has 5 rate lines. The general (MFN) duty rates are Free (5 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.

Do Section 301, 232 or 201 tariffs apply to HTS 2517?

It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.

What fees are added to an import under HTS 2517?

Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.