Sour Service Alloy LSAW Gas Line Pipe from Canada
Alloy steel LSAW pipe engineered for sour (H2S-containing) gas service, with >16-inch OD and PSB-resistant microstructure per API 5L Annex H. Used in petrochemical gathering lines. Fits 7305.11.50.00 as large-diameter alloy LSAW line pipe.
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
• Include sulfide stress cracking test results to prove sour service design and alloy suitability
• Separate from carbon steel shipments to avoid blending errors in duty calculations
• Utilize HTS Advance for pre-shipment classification rulings to mitigate delays