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High-Pressure Seamless Steel Process Pipe 22-inch OD 28mm Wall from China

Seamless nonalloy steel pipe for chemical plant process lines, 22-inch (558.8 mm) OD with 28 mm wall thickness per ASTM A53. Classifies to HTS 7304.39.0080 as circular seamless pipe exceeding 406.4 mm OD with walls 19 mm or more. Handles corrosive fluids under high pressure.

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 NACE MR0175 compliance for sour service if applicable to petrochemical imports

Avoid common pitfall of declaring as 'tubing'; precise OD/wall measurements required

For lined pipes, declare lining separately to prevent composite material misclassification