7305.11.50.00/X70 Alloy Steel LSAW Pipeline Tube/China

X70 Alloy Steel LSAW Pipeline Tube from China

High-strength X70 grade alloy steel tube produced via longitudinal submerged arc welding, with external diameter over 16 inches (406.4 mm), tailored for natural gas transmission lines. Its alloy composition provides superior yield strength for deepwater and high-pressure applications. Falls under HTS 7305.11.50.00 as LSAW line pipe of alloy steel for oil/gas pipelines.

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

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Import Tips

• Include hydrostatic test certificates proving pressure ratings suitable for pipeline service to support line pipe classification

• Label shipments clearly with 'Line Pipe for Oil/Gas Pipelines' to prevent reclassification as general structural tubing

• Monitor anti-dumping duties on alloy steel pipes from specific countries like China or South Korea via Commerce Department scopes