Heading 7305: Other tubes and pipes (for example, welded, riveted or similarly closed), having circular…
Every line of heading 7305 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.
Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel
Chapter 73: Articles of iron or steel. 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 |
|---|---|---|
| 7305.11 | Longitudinally submerged arc welded: | |
| 7305.11.10 | Of iron or nonalloy steel | Free |
| 7305.11.10.30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | |
| 7305.11.10.60 | With an external diameter exceeding 609.6 mm | |
| 7305.11.50.00 | Of alloy steel | Free |
| 7305.12 | Other, longitudinally welded: | |
| 7305.12.10 | Of iron or nonalloy steel | Free |
| 7305.12.10.30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | |
| 7305.12.10.60 | With an external diameter exceeding 609.6 mm | |
| 7305.12.50.00 | Of alloy steel | Free |
| 7305.19 | Other: | |
| 7305.19.10 | Of iron or nonalloy steel | Free |
| 7305.19.10.30 | With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | |
| 7305.19.10.60 | With an external diameter exceeding 609.6 mm | |
| 7305.19.50.00 | Of alloy steel | Free |
| 7305.20 | Casing of a kind used in drilling for oil or gas: | |
| 7305.20.20.00 | Threaded or coupled | Free |
| 7305.20.40.00 | Other | Free |
| 7305.20.60.00 | Threaded or coupled | Free |
| 7305.20.80.00 | Other | Free |
| 7305.31 | Longitudinally welded: | |
| 7305.31.20.00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | Free |
| 7305.31.40.00 | Of iron or nonalloy steel | Free |
| 7305.31.60 | Of alloy steel | Free |
| 7305.31.60.10 | Of stainless steel | |
| 7305.31.60.90 | Other | |
| 7305.39 | Other: | |
| 7305.39.10.00 | Of iron or nonalloy steel | Free |
| 7305.39.50.00 | Of alloy steel | Free |
| 7305.90 | Other: | |
| 7305.90.10.00 | Of iron or nonalloy steel | Free |
| 7305.90.50.00 | Of alloy steel | Free |
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 7305 has 15 of them; the first 12 are below. Schedule B lookup →
- 7305.11.1000LINE PIPE FOR OIL OR GAS, LONGITUDINALLY SUBMERGED ARC WELDED, EXTERNAL DIAMETER MORE THAN 406.4MM, CIRCULAR CROSS-SECTIONS, OF IRON OR NONALLOY STEEL
- 7305.11.5000LINE PIPE FOR OIL/GAS PIPELINES, LONGITUDINALLY SUBMERGED ARC WELDED WITH EXTERNAL DIAMETER OVER 406.4MM, OF ALLOY STEEL, WITH CIRCULAR CROSS-SECTION
- 7305.12.1000LINE PIPE FOR OIL OR GAS, OTHER LONGITUDINALLY WELDED, EXTERNAL DIAMETER MORE THAN 406.4MM, CIRCULAR CROSS-SECTION, IRON OR NONALLOY STEEL
- 7305.12.5000LINE PIPE FOR OIL OR GAS PIPELINES, LONGITUDINALLY WELDED WITH EXTERNAL DIAMETER >406.4MM, OF ALLOY STEEL, WITH CIRCULAR CROSS SECTION
- 7305.19.1000LINE PIPE FOR OIL OR GAS OTHER THAN LONGITUDINALLY WELDED, EXTERNAL DIAMETER MORE THAN 406.4MM, CIRCULAR CROSS-SECTION, IRON OR NONALLOY STEEL
- 7305.19.5000LINE PIPE FOR OIL OR GAS PIPELINES, WITH EXTERNAL DIAMETER >406.4MM, OF ALLOY STEEL, CIRCULAR CROSS SECTION, WELDED/RIVETED, NESOI
- 7305.20.3000CASING, OIL OR GAS DRILLING, OTHER THAN SEAMLESS, CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER OVER 406.4MM, IRON OR NONALLOY STEEL
- 7305.20.7000CASING, OIL OR GAS DRILLING, OTHER THAN SEAMLESS, CIRCULAR CROSS-SECTION, EXTERNAL DIAMETER OVER 406.4MM, ALLOY STEEL
- 7305.31.2000TAPERED PIPES AND TUBES OF STEEL, LONGITUDINALLY WELDED, PRINCIPALLY USED AS PARTS OF ILLUMINATING ARTICLES EXT DIAM OVER 406.4 MM
- 7305.31.4000OTHER TUBES AND PIPES (EXC OIL/GAS LINEPIPE OR CASING) LONGITUDINALLYWELDED, OF IRON OR NONALLOY STEEL
- 7305.31.6000OTHER PIPES AND TUBES NESOI LONGITUDINALLY WELDED, OF ALLOY STEEL, EXTERNAL DIAMETER OVER 406.4 MM, CIRCULAR CROSS SECTION
- 7305.39.1000OTHER TUBES AND PIPES NESOI WELDED OTHER THAN LONGITUDNLY, OR IRON ORNONALY STL, CIRC CS, EXT DIAM OV 406.4 MM
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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