Product classification
HS code for Stainless steel line pipe: 7304.11
Iron or steel (excluding cast iron), seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel.
Classification of stainless steel line pipe under HS 7304.11
The classification of stainless steel line pipe under HS code 7304.11 is governed by the General Rules of Interpretation (GRI), specifically GRI 1 and 6. This code is designated for seamless tubes and pipes made of stainless steel that are specifically engineered for use in oil and gas pipelines. To qualify for this classification, the product must meet the definition of stainless steel provided in Chapter 72, Note 1(e), which requires a chromium content of at least 10.5% and a carbon content of no more than 1.2%. The term 'seamless' refers to the manufacturing process where the pipe is formed from a solid billet through piercing or extrusion, ensuring there is no welded seam. This structural integrity is vital for the high-pressure environments typical of energy transport. Furthermore, the 'line pipe' designation implies adherence to specific industrial standards, such as API 5L, which differentiate these products from general-purpose mechanical or structural tubing. The classification ensures that high-performance materials used in critical infrastructure are tracked accurately for trade and safety regulations.
- Covers
- Seamless stainless steel oil transport pipes
- High-pressure gas line pipes
- Corrosion-resistant seamless pipelines for offshore drilling
- ASTM A312 compliant seamless line pipes
- Duplex stainless steel seamless line pipe
- Also under 7304.11
- Tenaris seamless stainless pipe
- Vallourec stainless line pipe
- Sumitomo Metal Industries stainless pipe
- ArcelorMittal stainless pipeline
- Sandvik stainless steel tubes
Codes often confused with 7304.11
Common mistake. This product is frequently confused with HS code 7306.11. The primary difference lies in the manufacturing method; 7306.11 covers welded line pipe, whereas 7304.11 is strictly for seamless products. Additionally, it may be misclassified under 7304.41, which covers other seamless stainless steel tubes. However, 7304.11 takes precedence if the pipe is specifically designed for oil and gas line applications rather than general fluid transport or structural use.
Top exporters and importers of HS 730411 (the code used for stainless steel line pipe), 2025
In 2025, the largest exporter of HS 730411 (the code used for stainless steel line pipe) in UN Comtrade data was Saudi Arabia, with 20% of world exports; the largest importer in UN Comtrade data was the United Arab Emirates, with about 12% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 730411, not only stainless steel line pipe.
Top exporters 2025 · share of world exports
- 1 Saudi Arabia $97M 20% of world exports
- 2 Norway $89M 18% of world exports
- 3 China $63M 13% of world exports
World total: $485M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United Arab Emirates* ~$77M 12% of world imports · partner records ↗
- 2 Angola $65M 9.9% of world imports
- 3 Indonesia $57M 8.8% of world imports
World total: $653M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for stainless steel line pipe
Brazil classifies stainless steel line pipe under NCM 7304.11.00: HS 7304.11 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
EU Regulatory Requirements
This product falls under the Carbon Border Adjustment Mechanism (CBAM). Importers to the EU must declare embedded carbon emissions and purchase CBAM certificates.
Questions about stainless steel line pipe
What is the HS code for Stainless steel line pipe?
The HS code for Stainless steel line pipe is 730411 (Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel). The primary HS code for seamless stainless steel line pipe used for oil or gas pipelines is 7304.11.
How do I classify Stainless steel line pipe for customs?
Stainless steel line pipe is classified under HS code 730411 — Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel. This is a 6-digit subheading level code.
Does this code include pipes used for water transport?
No, pipes intended for water transport or general plumbing are typically classified under 7304.41 or 7304.49, as 7304.11 is reserved for oil and gas infrastructure.
Which countries are the top exporters of stainless steel line pipe (HS 730411)?
In 2025, the top exporters of HS 730411 (the code used for stainless steel line pipe) in UN Comtrade data were Saudi Arabia ($97M, 20% of world exports), Norway ($89M) and China ($63M). World exports came to about $485M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of stainless steel line pipe (HS 730411)?
In 2025, the top importers of HS 730411 (the code used for stainless steel line pipe) in UN Comtrade data were the United Arab Emirates (about $77M, 12% of world imports), Angola ($65M) and Indonesia ($57M). World imports came to about $653M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Stainless steel line pipe the same in all countries?
The base HS code 730411 for Stainless steel line pipe is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for stainless steel line pipe in Brazil?
In Brazil, stainless steel line pipe (HS 730411) is classified under NCM 7304.11.00.