HTS tariff line · chapter 27
2705.00.00
Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons
Analysis
HTS 2705.00.00 covers coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons under heading 2705 (coal gas, water gas, producer gas and similar gases, other than petroleum gases and other…).
There is no general-rate duty on this line, which puts it with roughly 89% of the 46 tariff lines in chapter 27 that are also free. Duty-free at the general rate does not rule out additional duties under Chapter 99, such as Section 301 or Section 232 measures, which depend on the country of origin.
It is the only US line under subheading 2705.00, so the six-digit code used by every Harmonized System country and the eight-digit US line describe the same goods; a foreign tariff or an exporter's invoice showing 2705.00 points straight here.
Census statistics map these goods to NAICS 331110 (Iron and Steel Mills and Ferroalloy Manufacturing), an industry of 359 US establishments employing 78,532 people, the industry a domestic producer of these goods reports under.
Every edition we compared, from Jan 2023 to Oct 2026 (Rev. 22), shows the same general rate of Free.