HS Code for Seamless Steel Tubes (Chapter 7304)
Seamless pipe is drilled from a billet - no weld seam. Used for oilfield tubular goods (OCTG - casing/tubing/drill pipe under API 5CT) and high-pressure line pipe (API 5L). Chapter 7304 has ten-plus subheadings. CBAM covers all seamless steel pipe.
Sample 6-digit codes
| Code | Description |
|---|---|
| 7304.11 | Seamless line pipe of stainless steel |
| 7304.19 | Seamless line pipe of other steel |
| 7304.22 | Drill pipe of stainless steel |
| 7304.29 | Other casing/tubing of steel used in oil/gas drilling |
Typical import duty by market
| Market | Duty |
|---|---|
| European Union | 0% Safeguard TRQ + CBAM 2026. |
| United States | 25% Section 232 + AD/CVD on OCTG from multiple origins. |
| India (BCD) | 10-15% |
Worked landed-cost example
3,000 MT API 5CT L80 casing, FOB Xingang USD 1,150/MT, CFR Ras Al Khair Saudi
- · API 5L for line pipe (X42-X80 grades).
- · API 5CT for OCTG (H40-Q125 grades).
- · ISO 3183 line pipe.
- · NACE MR0175 sour-service requirements.
- · CBAM iron and steel.
- · China
- · Russia (partly sanctioned)
- · Ukraine
- · Argentina (Tenaris)
- · Italy (Tenaris)
- · Japan
Frequently asked questions
Premium threaded connections (VAM, TenarisHydril, JFE Bear) command USD 200-800/MT premium over API buttress. In LC terms these are separate line items, often shipped from different origins - watch for multiple HS codes and origin certificates in one lot.
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Sources & citations
- EU CBAM Regulation 2023/956European Commission
- WCO Harmonized System NomenclatureWorld Customs Organization
- WTO Integrated Database (tariff data)World Trade Organization