18-inch Grade B Welded Steel Oil Pipeline Pipe
This is an 18-inch (457.2 mm) external diameter welded pipe made of nonalloy steel, meeting API 5L Grade B specifications for crude oil gathering lines. Its thick walls and circular cross-section are designed for pressure resistance, and it falls under tariff item 7305.19.00 as line pipe with an external diameter exceeding 406.4 mm.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the pipe is seamless rather than welded
Seamless line pipe is classified under heading 7304, which covers seamless tubes and pipes of iron or steel.
If the external diameter is 406.4 mm or less
Welded line pipe with an external diameter not exceeding 406.4 mm falls under heading 7306.
If the pipe is longitudinally submerged arc welded
This subheading specifically covers longitudinally submerged arc welded line pipe, whereas 7305.19 covers other welding processes.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Keep records showing the pipe's external diameter and API 5L Grade B certification, as CBSA may verify these details
• Check if the pipe qualifies for preferential duty rates under the Canada-United States-Mexico Agreement (CUSMA) with a valid certificate of origin
• Confirm the pipe is not coated or lined in a way that could change its classification
Related Products under Tariff item 7305.19.00
16-Inch Alloy Steel Oil Line Pipe
This is a 16-inch (406.4 mm) welded alloy steel pipe for crude oil gathering lines in refineries. Its circular cross-section, large size, and welded closure place it under tariff item 7305.19.00 as line pipe of alloy steel with an external diameter exceeding 406.4 mm.
16-inch X42 Carbon Steel Welded Line Pipe
This is a 16-inch (406.4 mm) external diameter welded line pipe made of nonalloy steel, meeting API 5L X42 specifications for offshore oil gathering lines. Its circular cross-section and welded construction place it under tariff item 7305.19.00, which covers line pipe of iron or steel with an external diameter exceeding 406.4 mm.
17-inch X52 Subsea Gas Pipeline Pipe
17-inch (431.8 mm) API 5L X52 welded line pipe designed for subsea gas pipelines. Nonalloy steel construction withstands marine conditions, with a circular cross-section exceeding 406.4 mm, fitting this line pipe tariff item.
19-inch API 5L Grade X46 Pipeline Tube
This is a 19-inch (482.6 mm) welded carbon steel line pipe meeting API 5L X46 specifications for oil trunk lines. Its circular cross-section and welded construction are designed for efficient flow, and it falls under tariff item 7305.19.00 as line pipe with an external diameter exceeding 406.4 mm.
20-inch X52 Welded Line Pipe for Gas Pipelines
This is a 20-inch (508 mm) external diameter welded pipe made of nonalloy steel, meeting API 5L X52 specifications for natural gas transmission lines. Its circular cross-section and welded construction suit high-pressure gas transport, and it falls under tariff item 7305.19.00 as line pipe with an external diameter exceeding 406.4 mm.
21-inch Nonalloy Steel Oil Line Pipe
This is a 21-inch (533.4 mm) external diameter welded pipe made of nonalloy steel for crude oil pipelines. It is engineered for burial in transmission corridors and falls under tariff item 7305.19.00 as line pipe with an external diameter exceeding 406.4 mm.