Tariff reference › Chapter 73 › 7305.31.40.00
HTS 7305.31.40.00 — Of iron or nonalloy steel
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: › Other, welded: › Longitudinally welded: › Other: › Of iron or nonalloy steel
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 5.5% |
Additional duties may apply, depending on country of origin: Section 301 (China) — four-year-review strategic sectors — 9903.91.01.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=7305.31.40.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).
Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.