X65 Alloy Steel Seamless Line Pipe 16 Inch
High-strength X65 grade alloy steel seamless pipe with 16-inch (406.4 mm max) OD for transporting natural gas in pipelines. Falls under HTS 7304.19.5050 due to its seamless construction, alloy steel material, and specific diameter range for oil/gas line pipe applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbon steel rather than alloy
Carbon steel line pipes classify under 7304.2x; alloy steel requires minimum specified elements per HTS definitions.
If supplied as gas cylinder rather than pipeline pipe
Same diameter pipes for turbojet gas cylinders fall under Chapter 84 machinery parts, not Chapter 73 tubes.
If OD exceeds 406.4 mm
Larger diameter line pipes have separate statistical suffixes within 7304.19.
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Import Tips & Compliance
• Include hydrostatic test certificates showing pressure ratings suitable for pipeline service
• Label as 'line pipe for oil/gas' to distinguish from casing/tubing; mislabeling risks audit
• Check for alloy content exceeding carbon steel thresholds to confirm 7304.19 classification
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