What is HS code 6903.10?

HS code 6903.10 covers: Containing by weight more than 50 percent of free carbon. It belongs to chapter 69 (Ceramic products) of the Harmonized System.

What is the US import duty for HS code 6903.10?

The US general (normal trade relations) rate is: Free. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 6903.10?

The UK extends 6903.10 to 1 declarable 10-digit commodity code, starting with 6903100000. The full code goes on the UK customs declaration.

Chapter 69 · Ceramic products · Section 13

HS Code 6903.10

Containing by weight more than 50 percent of free carbon

Heading 6903: Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths

US duty (general)

Free

US HTS lines

EU CN codes

UK commodity codes

Unit

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 6903.10

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS code	Description	General	Special	Other	Unit
6903.10.00	Containing by weight more than 50 percent of free carbon	Free	-	45%	kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

Customs value (USD) Quantity (kg)

European Union - CN codes under 6903.10

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN code	Description
6903 10 00	Containing, by weight, more than 50 % of free carbon	EU duty (TARIC) →

United Kingdom - commodity codes under 6903.10

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity code	Description
6903 10 00 00	Containing, by weight, more than 50 % of free carbon	UK duty & VAT →

Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 6903

6903.00 6903 Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, pl 6903.10 Containing by weight more than 50 percent of free carbon 6903.20 Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound o 6903.90 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.