Sour Service Alloy Steel Line Pipe from China
Alloy steel welded pipe (24-inch OD) resistant to H2S corrosion for sour gas pipelines. HTS 7305.19.5000 covers its large circular cross-section and alloy composition for oil/gas line pipe use.
Duty Rate — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Certify per NACE TM0177 for sour service to support end-use as line pipe
• Label clearly as 'alloy steel'—Customs tests for elements like Ni, Mo