20-inch X52 Welded Line Pipe for Gas Pipelines
A 20-inch (508 mm) external diameter welded pipe made from nonalloy steel, API 5L X52 grade, used in natural gas transmission lines. Its circular cross-section and construction suit high-pressure gas transport. Fits HTS 7305.19.1030 as other line pipe of iron/nonalloy steel in the specified diameter range.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-pipeline applications like structural piling
Pipes not designated for oil/gas lines classify as other tubes in 7306.
If galvanized or coated for corrosion resistance
Surface-treated line pipes may fall under 7305.29 depending on coating type.
If supplied as part of a gas compressor station set
Pipes in machinery sets classify under the complete assembly heading.
Not sure which classification is right?
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Import Tips & Compliance
• Provide end-user certificates confirming oil/gas pipeline application to justify line pipe status
• Label with exact external diameter and steel grade to match statistical reporting requirements
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