66-Inch OD Seamless Alloy Steel Subsea Pipe
66-inch (1676.4 mm) OD seamless alloy pipe concrete-coated for subsea flowlines. Under HTS 7304.59.80.80 as base seamless tube >406.4 mm before coating. Deepwater rated.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled into floating/submersible rigs
Complete subsea structures classify as specialized vessels/rafts.
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Import Tips & Compliance
• Classify pre-coating; concrete weight affects duty value calculation
• Anode attachment may trigger 'parts of structures' review under 7308
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