X70 Alloy Steel Welded Pipeline Tube from China
High-strength longitudinally welded alloy steel tube exceeding 16 inches in diameter, rated for X70 grade in natural gas transmission lines. Classified under HTS 7305.12.50.00 due to its design for oil/gas pipelines and alloy steel material. Essential for long-distance energy transport infrastructure.
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
• Provide end-user certificates confirming pipeline application to distinguish from casing or tubing
• Label welds as longitudinal and measure OD precisely; spiral welds may require 7305.11 review
• Comply with Buy America provisions if for US projects, affecting duty exemptions