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Seamless Nonalloy Steel Line Pipe 3.5-inch OD for Gas Distribution from China

A seamless pipe of iron or nonalloy steel, outer diameter 88.9 mm, engineered for natural gas distribution pipelines with high pressure resistance. Classified under HTS 7304.19.10.20 as line pipe for gas pipelines, distinguished from general tubes by its specialized design for hydrocarbon transport. Commonly used in urban gas supply 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

Include hydrostatic test certificates proving pressure ratings suitable for pipeline service

Label clearly as 'line pipe for oil or gas' to support classification over mechanical tubes