HS code 284990: Carbides
- Covers:
- Carbides, whether or not chemically defined not listed under the other codes in this heading.
- Not covered:
- 284910 (Of calcium); 284920 (Of silicon).
- Listed US duty:
- 3.7%–5.5% (US general rate, HTS 2026)
Official description
Carbides, whether or not chemically defined : Other
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Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 284990 covers and what it doesn’t
Official text: Carbides, whether or not chemically defined › Other.
This is the “other” line of heading 2849 (carbides, whether or not chemically defined). It takes goods of that heading that no more specific subheading names. These go elsewhere:
Nearby codes to check
- Heading 2849 Carbides, whether or not chemically defined: every subheading side by side.
US duty rate
3.7%–5.5%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 284990
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 284990 →
Common questions
- What is HS code 284990?
- Carbides, whether or not chemically defined : Other
- What duty rates apply to 284990?
- Listed US duty: 3.7%–5.5% (US general rate, HTS 2026).
Go beyond the code
Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.