HTS heading 6810
Articles of cement, of concrete or of artificial stone, whether or not reinforced — 13 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 6810 | Articles of cement, of concrete or of artificial stone, whether or not reinforced + Ch. 99 | not stated | — |
| 6810.11.00 | Building blocks and bricks + Ch. 99 | 3.2% | — |
| 6810.11.00.10 | Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch + Ch. 99 | 3.2% (inherited from 6810.11.00) | m2 |
| 6810.11.00.70 | Other + Ch. 99 | 3.2% (inherited from 6810.11.00) | t |
| 6810.19 | Other + Ch. 99 | not stated | — |
| 6810.19.12.00 | Of stone agglomerated with binders other than cement + Ch. 99 | 4.9% | m2 |
| 6810.19.14.00 | Other + Ch. 99 | 9% | m2 |
| 6810.19.50.00 | Other + Ch. 99 | 3.9% | t |
| 6810.91.00.00 | Prefabricated structural components for building or civil engineering + Ch. 99 | Free | t |
| 6810.99.00 | Other + Ch. 99 | Free | — |
| 6810.99.00.20 | In slabs of rectangular shape, with a length of 3 m or more and a width of 1.25 m or more + Ch. 99 | Free (inherited from 6810.99.00) | m2 |
| 6810.99.00.40 | Other + Ch. 99 | Free (inherited from 6810.99.00) | m2 |
| 6810.99.00.80 | Other + Ch. 99 | Free (inherited from 6810.99.00) | No. |
5 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
13 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.