# HTS 7305: 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:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=7305). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 7305: 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:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 7305 | 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: |  |  |  |  |
|  |   Line pipe of a kind used for oil or gas pipelines: |  |  |  |  |
| 7305.11 |     Longitudinally submerged arc welded: |  |  |  |  |
| 7305.11.10 |       Of iron or nonalloy steel | Free |  | 5.5% |  |
| 7305.11.10.30 |         With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.11.10.60 |         With an external diameter exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.11.50.00 |       Of alloy steel | Free |  | 10% | kg |
| 7305.12 |     Other, longitudinally welded: |  |  |  |  |
| 7305.12.10 |       Of iron or nonalloy steel | Free |  | 5.5% |  |
| 7305.12.10.30 |         With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.12.10.60 |         With an external diameter exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.12.50.00 |       Of alloy steel | Free |  | 10% | kg |
| 7305.19 |     Other: |  |  |  |  |
| 7305.19.10 |       Of iron or nonalloy steel | Free |  | 5.5% |  |
| 7305.19.10.30 |         With an external diameter exceeding 406.4 mm but not exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.19.10.60 |         With an external diameter exceeding 609.6 mm | Free |  | 5.5% | kg |
| 7305.19.50.00 |       Of alloy steel | Free |  | 10% | kg |
| 7305.20 |   Casing of a kind used in drilling for oil or gas: |  |  |  |  |
|  |     Of iron or nonalloy steel: |  |  |  |  |
| 7305.20.20.00 |       Threaded or coupled | Free |  | 20% | kg |
| 7305.20.40.00 |       Other | Free |  | 1% | kg |
|  |     Of alloy steel: |  |  |  |  |
| 7305.20.60.00 |       Threaded or coupled | Free |  | 28% | kg |
| 7305.20.80.00 |       Other | Free |  | 8.5% | kg |
|  |   Other, welded: |  |  |  |  |
| 7305.31 |     Longitudinally welded: |  |  |  |  |
| 7305.31.20.00 |       Tapered pipes and tubes of steel principally used as parts of illuminating articles | Free |  | 45% | kg |
|  |       Other: |  |  |  |  |
| 7305.31.40.00 |         Of iron or nonalloy steel | Free |  | 5.5% | kg |
| 7305.31.60 |         Of alloy steel | Free |  | 10% |  |
| 7305.31.60.10 |           Of stainless steel | Free |  | 10% | kg |
| 7305.31.60.90 |           Other | Free |  | 10% | kg |
| 7305.39 |     Other: |  |  |  |  |
| 7305.39.10.00 |       Of iron or nonalloy steel | Free |  | 5.5% | kg |
| 7305.39.50.00 |       Of alloy steel | Free |  | 10% | kg |
| 7305.90 |   Other: |  |  |  |  |
| 7305.90.10.00 |     Of iron or nonalloy steel | Free |  | 5.5% | kg |
| 7305.90.50.00 |     Of alloy steel | Free |  | 10% | kg |