Heading 2849: Carbides, whether or not chemically defined
Every line of heading 2849 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Carbides, whether or not chemically defined
Chapter 28: Inorganic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2849.10.00.00 | Of calcium | 1.8% |
| 2849.20 | Of silicon: | |
| 2849.20.10.00 | Crude | Free |
| 2849.20.20.00 | In grains, or ground, pulverized or refined | 0.5% |
| 2849.90 | Other: | |
| 2849.90.10.00 | Of boron | 3.7% |
| 2849.90.20.00 | Of chromium | 4.2% |
| 2849.90.30.00 | Of tungsten | 5.5% |
| 2849.90.50.00 | Other | 3.7% |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
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Exports are reported with Schedule B numbers. Heading 2849 has 6 of them. Schedule B lookup →
- 2849.10.0000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, OF CALCIUM
- 2849.20.1000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, OF SILICON, CRUDE
- 2849.20.2000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, IN GRAINS, OR GROUND, PULVERIZED OR REFINED
- 2849.90.1000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, OR BORON
- 2849.90.3000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, OF TUNGSTEN
- 2849.90.6000CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED, EXCLUDING OF BORON OR OF TUNGSTEN
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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