Nonalloy Seamless Steel Pipe for Sour Gas Service 14 Inch OD 18mm from China
Seamless pipe engineered for H2S sour gas pipelines, nonalloy steel, 14-inch (355.6 mm) OD, 18 mm wall thickness per NACE MR0175. Used in shale gas transport. HTS 7304.19.1060 for its line pipe dimensions and seamless iron/nonalloy construction.
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
• Declare NACE compliance and sulfide stress cracking test data to support classification and quality claims
• Measure wall thickness uniformly; variations >0.5mm can trigger reclassification audits