316L Stainless Steel Sour Gas Pipeline Pipe 18-inch OD from Canada
Seamless 316L stainless pipe, 457 mm outside diameter, certified for sour gas service in oilfield pipelines. HTS 7304.11.0080 covers its seamless stainless construction and diameter exceeding 406.4 mm for gas line applications.
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
• Sour service requires HIC (hydrogen induced cracking) test results in documentation
• Confirm wall thickness meets API 5L requirements for pressure containment
• Mark pipes with grade, size, and heat number for traceability