API 5L Grade B Carbon Steel Line Pipe 4-inch from China
This is a welded carbon steel pipe conforming to API 5L Grade B specifications, designed specifically for use in oil and gas pipelines with an outside diameter of 114 mm. It falls under HTS 7306.19.10.10 as it is line pipe of iron or nonalloy steel, welded construction, and OD not exceeding 114.3 mm. The pipe is suitable for transporting natural gas or crude oil in midstream applications.
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
• Verify API 5L certification and mill test reports (MTRs) to confirm compliance with line pipe standards; customs may require them for classification
• Ensure accurate measurement of outside diameter (must ≤114.3 mm) and declare as nonalloy steel to avoid reclassification