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
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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