Product classification
HS code for Oil and gas pipe: 7304.19
Iron or steel (excluding cast iron or stainless steel), seamless, line pipe of a kind used for oil or gas pipelines.
Classification of oil and gas pipe under HS 7304.19
Oil and gas pipes are classified under HS code 7304.19 when they are seamless and made of iron (other than cast iron) or non-stainless steel. Chapter 73 covers articles of iron or steel, and heading 7304 is reserved for tubes, pipes, and hollow profiles that are seamless. Subheading 7304.19 specifically covers "line pipe of a kind used for oil or gas pipelines" made of steel other than stainless steel. The classification is determined by the manufacturing method (seamless), the material composition (carbon steel or alloy steel, but not stainless), and the specific intended application (line pipe for transporting hydrocarbons). These pipes must meet specific industrial standards, such as API 5L, to be categorized as line pipe under this heading. The seamless nature of these pipes is critical for high-pressure applications in the energy sector, distinguishing them from welded alternatives which are classified elsewhere based on their diameter and welding method.
- Covers
- Seamless carbon steel line pipe
- API 5L grade X42, X52, X60, and X65 pipes
- High-pressure seamless gas transport pipes
- Seamless alloy steel line pipe for oil extraction
- Also under 7304.19
- Tenaris API 5L pipe
- Vallourec seamless line pipe
- Sumitomo Metal Industries seamless pipe
- JFE Steel seamless pipe
- ArcelorMittal seamless pipeline
Codes often confused with 7304.19
Common mistake. Oil and gas pipes are frequently misclassified under HS code 7304.11, which is specifically for stainless steel seamless pipes. Another common error is using HS code 7305 or 7306; these codes are for welded pipes. Specifically, 7305 covers welded pipes with an external diameter exceeding 406.4 mm, while 7306 covers other welded pipes. If the pipe has a longitudinal or spiral seam, it cannot be classified under 7304.
Top exporters and importers of HS 730419 (the code used for oil and gas pipe), 2025
In 2025, the largest exporter of HS 730419 (the code used for oil and gas pipe) in UN Comtrade data was China, with 44% of world exports; the largest importer in UN Comtrade data was the United States, with 13% 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 730419, not only oil and gas pipe.
Top exporters 2025 · share of world exports
- 1 China $1.8B 44% of world exports
- 2 Italy $527M 13% of world exports
- 3 Germany $280M 6.7% of world exports
World total: $4.2B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $586M 13% of world imports
- 2 United Arab Emirates* ~$536M 12% of world imports · partner records ↗
- 3 Norway $299M 6.9% of world imports
World total: $4.3B 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 oil and gas pipe
Brazil classifies oil and gas pipe under NCM 7304.19.00: HS 7304.19 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 oil and gas pipe
What is the HS code for Oil and gas pipe?
The HS code for Oil and gas pipe is 730419 (Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines). The HS code for seamless line pipe of iron or non-stainless steel used for oil and gas pipelines is 7304.19.
How do I classify Oil and gas pipe for customs?
Oil and gas pipe is classified under HS code 730419 — Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines. This is a 6-digit subheading level code.
Does this code include welded pipes?
No, welded pipes are classified under HS code 7305 (for large diameters) or 7306 (for smaller diameters), depending on their specific dimensions and construction.
Which countries are the top exporters of oil and gas pipe (HS 730419)?
In 2025, the top exporters of HS 730419 (the code used for oil and gas pipe) in UN Comtrade data were China ($1.8B, 44% of world exports), Italy ($527M) and Germany ($280M). World exports came to about $4.2B, 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 oil and gas pipe (HS 730419)?
In 2025, the top importers of HS 730419 (the code used for oil and gas pipe) in UN Comtrade data were the United States ($586M, 13% of world imports), the United Arab Emirates (about $536M) and Norway ($299M). World imports came to about $4.3B, 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 Oil and gas pipe the same in all countries?
The base HS code 730419 for Oil and gas 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 oil and gas pipe in Brazil?
In Brazil, oil and gas pipe (HS 730419) is classified under NCM 7304.19.00.