17-inch OD Alloy Steel Seamless Flowline Pipe from Canada
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.
Duty Rate — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide dimensional inspection reports calibrated to customs standards for OD verification
• Coating specs (e.g
• 3LPE) don't affect classification but require separate declaration