Sour Service Alloy Steel Pipeline Pipe from Canada
Longitudinally welded alloy steel pipe over 16 inches OD, engineered for sour (H2S) gas service in pipelines. HTS 7305.12.50.00 due to alloy steel and line pipe function. Meets NACE standards for harsh environments.
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
• Certify HIC/SSCC resistance per NACE TM0177 for sour service validation
• Separate coated vs uncoated pipes in manifests; coatings affect value declarations
• Avoid classification as drill pipe, which uses 7304.21