Seamless API 5L Grade B Steel Pipe 8-inch OD 16mm WT
This seamless steel pipe of non-alloy steel has an outside diameter of 219.1 mm and a wall thickness of 16 mm, designed for oil and gas transmission lines. It falls under HTS 7304.39.0052 due to its circular cross-section, seamless construction, OD between 190.5-285.8 mm, and wall thickness of 12.7-19 mm. Commonly used in pipeline infrastructure for transporting hydrocarbons.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If suitable for use in pressure lines or machinery
Pipes designed primarily for pressure applications like boilers or conveyance of liquids under pressure shift to 7304.51, regardless of dimensions.
If welded construction
Welded pipes of non-alloy steel fall under Chapter 73 heading 7306, even with identical dimensions, as seamless is specified for 7304.
If wall thickness under 12.7 mm
Thinner walls in the same OD range classify under the prior subheading 7304.39.0042 within the same hierarchy.
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Import Tips & Compliance
• Obtain Mill Test Certificates (MTC) verifying chemical composition, mechanical properties, and hydrostatic test results per API 5L standards
• Ensure marking includes API grade, size, and seamless designation; non-compliance leads to reclassification or penalties
• For line pipe use, provide end-use documentation to avoid classification as tubes under 7304.51 if pressure-rated differently
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