High-Pressure Gas Line Seamless Alloy Pipe 260mm OD 28mm WT
Seamless circular tube of alloy steel, 260 mm OD and 28 mm thick walls, for natural gas transmission under high pressure. Classified in HTS 7304.59.80.55 for seamless alloy steel, correct OD range, and heavy wall construction.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If OD under 190.5 mm
Smaller OD in same category uses different statistical suffix.
If longitudinally welded
Welded alloy tubes go to 7305 for line pipe applications.
If parts for gas drilling rigs
End-use in oil/gas drilling shifts to Chapter 84 machinery parts.
Not sure which classification is right?
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Import Tips & Compliance
• Certify compliance with gas pipeline standards like ASME B31.8 for smooth clearance
• Document seamless process via manufacturer affidavits
• Watch for alloy content thresholds; low alloys may reclassify
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