API 5L Grade B Seamless Steel Line Pipe 4-inch OD from China
This seamless steel tube, made from nonalloy steel with an outside diameter of 114.3 mm or less, is specifically designed as line pipe for oil and gas pipelines, meeting API 5L Grade B standards for strength and durability. It falls under HTS 7304.19.10.20 due to its seamless construction, nonalloy steel material, and use in oil or gas transport with OD not exceeding 114.3 mm. Ideal for onshore gathering lines and distribution networks.
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 provide mill test reports (MTRs) to confirm seamless construction and chemical composition for nonalloy steel
• Ensure outside diameter measurement documentation matches ≤114.3 mm to avoid reclassification to larger diameter categories