6-inch Schedule 40 Seamless Gas Line Pipe 168.3mm OD
Schedule 40 wall thickness seamless pipe of nonalloy steel, 168.3 mm OD, used for natural gas distribution pipelines. Fits HTS 7304.19.10.30 precisely as seamless line pipe for gas pipelines in the 114.3-215.9 mm OD range.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other than line pipe/casing (e.g., mechanical use)
Seamless tubes not specifically for oil/gas pipelines or casing fall under 'other' seamless tubes headings.
If longitudinally submerged arc welded (LSAW)
Welded line pipes, even for oil/gas, are in heading 7305 for specific weld types.
If OD 215.9 mm to 406.4 mm
Adjacent diameter bands within line pipe subheading have separate statistical reporting numbers.
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Import Tips & Compliance
• Submit hydrostatic test certificates proving pressure rating suitable for pipeline service
• Label clearly as 'line pipe for oil/gas' to prevent confusion with mechanical tubing under 7304.90
• For bulk shipments, ensure container loading complies with IMDG for hazardous material transport if residual oils present
Related Products under HTS 7304.19.10.30
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8-5/8 inch Seamless Crude Oil Line Pipe 219.1mm OD
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6-5/8 inch X52 Grade Gas Pipeline Pipe 168.3mm OD
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API 5L Grade B Seamless Steel Line Pipe 168.3mm OD
This seamless steel tube of iron or nonalloy steel has an outside diameter of 168.3 mm (6 5/8 inches), designed specifically for oil and gas pipelines as per API 5L specifications. It meets the criteria for line pipe under HTS 7304.19.10.30 due to its seamless construction, size range exceeding 114.3 mm but less than 215.9 mm, and use in transporting oil or gas.
API 5L X42 Seamless Line Pipe 177.8mm OD
High-strength API 5L X42 grade seamless steel pipe with 177.8 mm (7-inch) OD for sour gas service pipelines. Qualifies for HTS 7304.19.10.30 as nonalloy seamless line pipe in the designated size for oil/gas transport.