API 5L Grade B Seamless Line Pipe 168.3 mm OD from China

Seamless line pipe manufactured to API 5L Grade B standards with 168.3 mm outside diameter and 14.3 mm wall thickness, used for oil and gas gathering lines. The heavy wall construction provides resistance to external pressure and corrosion in underground pipeline applications. Meets HTS 7304.39.0040 criteria for seamless non-alloy steel pipes of specified dimensions.

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

Include API 5L mill test certificate verifying PSL1/2 compliance and non-destructive testing results

Specify plain/beveled ends clearly on commercial invoice to distinguish from threaded/drill pipe classifications

Maintain minimum wall thickness tolerance documentation to prevent duty reassessment