Heavy Wall Seamless Line Pipe X42 16-inch OD 14mm WT
Seamless line pipe grade X42 for natural gas pipelines, with 406 mm OD, 14 mm wall thickness, made of non-alloy steel. Meets HTS 7304.39.0068 criteria: seamless, circular, iron/non-alloy steel, OD 285.8-406.4 mm, wall 12.7-<19 mm. Engineered for high-pressure fluid transport.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel construction
Alloy steel (e.g., >1.65% Mn) seamless pipes classify under 7304.5 headings.
If cold-drawn/hardened
Cold-formed tubes beyond simple seamless fall under 7305 for specific processes.
If OD under 285.8 mm
Smaller diameter shifts to prior OD subheading in 7304.39.
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Import Tips & Compliance
• Include yield strength test results to distinguish from drill pipe or casing alternatives
• Ensure no internal/external coatings; coated pipes may classify under 7306 if welded-like
• Use precise caliper measurements for OD/wall; customs often re-measures shipments
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