HTS heading 3810
Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods — 6 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 3810 | Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods + Ch. 99 | not stated | — |
| 3810.10.00.00 | Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials + Ch. 99 | 5% | kg |
| 3810.90 | Other + Ch. 99 | not stated | — |
| 3810.90.10.00 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances + Ch. 99 | 6.5% | kg |
| 3810.90.20.00 | Consisting wholly of inorganic substances + Ch. 99 | Free | kg |
| 3810.90.50.00 | Other + Ch. 99 | 5% | kg |
Additional duties may apply
6 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.