HTS 7304
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Chapters › 7304
Chapter 99 measures listing products under 7304
Potash that is a product of Mexico, as provided for in U.S. note 2(c) to this subchapter
Mexico16 listed productsArticles of civil aircraft (all aircraft other than military aircraft and unmanned aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components the product of Canada, as provided for in subdivision (d) of U.S. note 51 to…
Canada16 listed productsExcept for products described in headings 9903.05.02–9903.05.09, articles the product of Brazil, as provided for in subdivision (a) of U.S. note 50 to this subchapter
Brazil16 listed productsArticles the product of Brazil, as provided for in subdivision (a)(ii) of U.S. note 50 to this subchapter
Brazil16 listed productsArticles the product of Brazil, as provided for in subdivision (a)(iii) of U.S. note 50 to this subchapter
Brazil16 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of Brazil, as provided for in subdivision (a)(iv) of U.S. note 50 to this subchapter
Brazil16 listed productsArticles the product of Brazil that are articles for use in pharmaceutical applications, as provided for in subdivision (a)(v) of U.S. note 50 to this subchapter
Brazil16 listed productsArticles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo…
Brazil16 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components, as provided for in subdivision (d) of U.S. note 52 to this subchapter
16 listed productsExcept as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the…
China4 listed productsArticles the product of the Russian Federation, as provided for in U.S. note 30(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(d) to this subchapter
Russia9 listed productsEffective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
China27 listed productsEffective with respect to entries on or after June 30, 2025, articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of the United Kingdom, classified in…
United Kingdom16 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components; their other parts, components, and subassemblies; and ground flight simulators and their parts and components of Japan, excluding unmanned aircraft, classified in the subheadings enumerated in subdivision (b)…
Japan16 listed productsCivil aircraft (all aircraft other than military aircraft and unmanned aircraft) components that are products of Taiwan, provided for in subdivision (c) of U.S. note 35 to this subchapter
Taiwan16 listed products
Lines under 7304
| HTS | Description | General | Column 2 |
|---|---|---|---|
| 7304.11.00 | Of stainless steel | Free | 35% |
| 7304.11.00.20 | Having an outside diameter not exceeding 114.3 mm | ||
| 7304.11.00.50 | Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | ||
| 7304.11.00.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.19 | Other: | ||
| 7304.19.10 | Of iron or nonalloy steel | Free | 25% |
| 7304.19.10.20 | Having an outside diameter not exceeding 114.3 mm | ||
| 7304.19.10.30 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | ||
| 7304.19.10.45 | Having a wall thickness less than 12.7 mm | ||
| 7304.19.10.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.19.10.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.19.50 | Of other alloy steel | Free | 35% |
| 7304.19.50.20 | Having an outside diameter not exceeding 114.3 mm | ||
| 7304.19.50.50 | Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm | ||
| 7304.19.50.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.22.00 | Drill pipe of stainless steel | Free | 35% |
| 7304.22.00.30 | Having a wall thickness not exceeding 9.5 mm | ||
| 7304.22.00.45 | Having a wall thickness exceeding 9.5 mm | ||
| 7304.22.00.60 | Having an outside diameter exceeding 168.3 mm | ||
| 7304.23 | Other drill pipe: | ||
| 7304.23.30.00 | Of iron or nonalloy steel | Free | 25% |
| 7304.23.60 | Of alloy steel | Free | 35% |
| 7304.23.60.30 | Having a wall thickness not exceeding 9.5 mm | ||
| 7304.23.60.45 | Having a wall thickness exceeding 9.5 mm | ||
| 7304.23.60.60 | Having an outside diameter exceeding 168.3 mm | ||
| 7304.24 | Other, of stainless steel: | ||
| 7304.24.30 | Threaded or coupled | Free | 28% |
| 7304.24.30.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.24.30.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.24.30.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.24.30.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.24.30.45 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm | ||
| 7304.24.30.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.24.40 | Other | Free | 8.5% |
| 7304.24.40.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.24.40.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.24.40.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.24.40.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.24.40.50 | Having a wall thickness less than 12.7 mm | ||
| 7304.24.40.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.24.40.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.24.60 | Tubing | Free | 35% |
| 7304.24.60.15 | Having a wall thickness not exceeding 9.5 mm | ||
| 7304.24.60.30 | Having a wall thickness exceeding 9.5 mm | ||
| 7304.24.60.45 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | ||
| 7304.24.60.60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | ||
| 7304.24.60.75 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29 | Other: | ||
| 7304.29.10 | Threaded or coupled | Free | 20% |
| 7304.29.10.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.10.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.10.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.10.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.10.50 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.10.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.10.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29.20 | Other | Free | 1% |
| 7304.29.20.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.20.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.20.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.20.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.20.50 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.20.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.20.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29.31 | Threaded or coupled | Free | 28% |
| 7304.29.31.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.31.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.31.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.31.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.31.50 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.31.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.31.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29.41 | Other | Free | 8.5% |
| 7304.29.41.10 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.41.20 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.41.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.41.40 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.41.50 | Having a wall thickness less than 12.7 mm | ||
| 7304.29.41.60 | Having a wall thickness of 12.7 mm or more | ||
| 7304.29.41.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29.50 | Of iron or nonalloy steel | Free | 25% |
| 7304.29.50.15 | Having a wall thickness not exceeding 9.5 mm | ||
| 7304.29.50.30 | Having a wall thickness exceeding 9.5 mm | ||
| 7304.29.50.45 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | ||
| 7304.29.50.60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | ||
| 7304.29.50.75 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.29.61 | Of other alloy steel | Free | 35% |
| 7304.29.61.15 | Having a wall thickness not exceeding 9.5 mm | ||
| 7304.29.61.30 | Having a wall thickness exceeding 9.5 mm | ||
| 7304.29.61.45 | Having an outside diameter exceeding 114.3 mm but less than 215.9 mm | ||
| 7304.29.61.60 | Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm | ||
| 7304.29.61.75 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.31 | Cold-drawn or cold-rolled (cold-reduced): | ||
| 7304.31.30.00 | Hollow bars | Free | 22% |
| 7304.31.60 | Other | Free | 25% |
| 7304.31.60.10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | ||
| 7304.31.60.50 | Other | ||
| 7304.39.00 | Other | Free | 25% |
| 7304.39.00.02 | Having an outside diameter less than 38.1 mm | ||
| 7304.39.00.04 | Having an outside diameter of 38.1 mm or more but less than 190.5 mm | ||
| 7304.39.00.06 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm | ||
| 7304.39.00.08 | Having an outside diameter exceeding 285.8 mm | ||
| 7304.39.00.16 | Galvanized, having an outside diameter not exceeding 114.3 mm | ||
| 7304.39.00.20 | Having an outside diameter less than 38.1 mm | ||
| 7304.39.00.24 | Having a wall thickness less than 6.4 mm | ||
| 7304.39.00.28 | Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm | ||
| 7304.39.00.32 | Having a wall thickness exceeding 12.7 mm | ||
| 7304.39.00.36 | Having a wall thickness less than 12.7 mm | ||
| 7304.39.00.40 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.39.00.44 | Having a wall thickness of 19 mm or more | ||
| 7304.39.00.48 | Having a wall thickness less than 12.7 mm | ||
| 7304.39.00.52 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.39.00.56 | Having a wall thickness of 19 mm or more | ||
| 7304.39.00.62 | Having a wall thickness less than 12.7 mm | ||
| 7304.39.00.68 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.39.00.72 | Having a wall thickness of 19 mm or more | ||
| 7304.39.00.76 | Having a wall thickness less than 19 mm | ||
| 7304.39.00.80 | Having a wall thickness of 19 mm or more | ||
| 7304.41 | Cold-drawn or cold-rolled (cold-reduced): | ||
| 7304.41.30 | Of an external diameter of less than 19 mm | Free | 36% |
| 7304.41.30.05 | Of high-nickel alloy steel | ||
| 7304.41.30.15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | ||
| 7304.41.30.45 | Other | ||
| 7304.41.60 | Other | Free | 36% |
| 7304.41.60.05 | Of high-nickel alloy steel | ||
| 7304.41.60.15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | ||
| 7304.41.60.45 | Other | ||
| 7304.49.00 | Other | Free | 36% |
| 7304.49.00.05 | Of high-nickel alloy steel | ||
| 7304.49.00.15 | Hollow bars | ||
| 7304.49.00.45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | ||
| 7304.49.00.60 | Other | ||
| 7304.51 | Cold-drawn or cold-rolled (cold-reduced): | ||
| 7304.51.10.00 | Suitable for use in the manufacture of ball or roller bearings | Free | 34% |
| 7304.51.50 | Other | Free | 35% |
| 7304.51.50.05 | Of high-nickel alloy steel | ||
| 7304.51.50.15 | Of heat-resisting steel | ||
| 7304.51.50.45 | Other | ||
| 7304.51.50.60 | Other | ||
| 7304.59 | Other: | ||
| 7304.59.10.00 | Suitable for use in the manufacture of ball or roller bearings | Free | 34% |
| 7304.59.20 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | Free | 35% |
| 7304.59.20.30 | Of heat-resisting steel | ||
| 7304.59.20.40 | Having an outside diameter less than 38.1 mm | ||
| 7304.59.20.45 | Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm | ||
| 7304.59.20.55 | Having an outside diameter exceeding 114.3 mm but less than 190.5 mm | ||
| 7304.59.20.60 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm | ||
| 7304.59.20.70 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm | ||
| 7304.59.20.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.59.60.00 | Of heat-resisting steel | Free | 36% |
| 7304.59.80 | Other | Free | 35% |
| 7304.59.80.10 | Having an outside diameter less than 38.1 mm | ||
| 7304.59.80.15 | Having a wall thickness less than 6.4 mm | ||
| 7304.59.80.20 | Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm | ||
| 7304.59.80.25 | Having a wall thickness exceeding 12.7 mm | ||
| 7304.59.80.30 | Having a wall thickness less than 12.7 mm | ||
| 7304.59.80.35 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.59.80.40 | Having a wall thickness of 19 mm or more | ||
| 7304.59.80.45 | Having a wall thickness less than 12.7 mm | ||
| 7304.59.80.50 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.59.80.55 | Having a wall thickness of 19 mm or more | ||
| 7304.59.80.60 | Having a wall thickness less than 12.7 mm | ||
| 7304.59.80.65 | Having a wall thickness of 12.7 mm or more but less than 19 mm | ||
| 7304.59.80.70 | Having a wall thickness of 19 mm or more | ||
| 7304.59.80.80 | Having an outside diameter exceeding 406.4 mm | ||
| 7304.90 | Other: | ||
| 7304.90.10.00 | Of iron or nonalloy steel | Free | 1% |
| 7304.90.30.00 | Of alloy steel | Free | 8.5% |
| 7304.90.50.00 | Of iron or nonalloy steel | Free | 25% |
| 7304.90.70.00 | Of alloy steel | Free | 35% |