17-inch OD Alloy Steel Seamless Flowline Pipe
Seamless flowline pipe from low-alloy steel for subsea oil production risers, 17-inch (431.8 mm) OD but trimmed to 400 mm with 23 mm walls—actually 15.75-inch (400 mm) OD fitting range. Meets all criteria for HTS 7304.59.80.70.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If longitudinally submerged arc welded
LSAW large-diameter pipes classify under 7305 for other welded steel pipes.
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Import Tips & Compliance
• Provide dimensional inspection reports calibrated to customs standards for OD verification
• Coating specs (e.g
• 3LPE) don't affect classification but require separate declaration
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