HTS 7307.99.50 · Steel, aluminum and copper
Import duty on steel pipe fittings by country
U.S. import duty on steel pipe fittings (HTS 7307.99.50) ranges from 54.3% from Mexico to 79.3% from China for entries on November 3, 2026. The base (MFN) rate is 4.3%; the difference comes from country-specific Chapter 99 tariffs such as Section 301 and Section 232.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission, checked November 3, 2026.
| Country of origin | Total duty | Additional tariffs (Chapter 99) | |
|---|---|---|---|
| China | 79.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) · Section 301 — China (Lists 1–4A) 25% (9903.88.03) | Details → |
| Mexico | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Vietnam | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Canada | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Germany | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Japan | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| South Korea | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Taiwan | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| India | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
| Italy | 54.3% | Section 232 — steel, aluminum and copper 50% (9903.82.02) | Details → |
Total duty as a share of customs value, before the Merchandise Processing and Harbor Maintenance fees. Computed on HTS 7307.99.50.15. Estimates only.