Thick-Wall Alloy Steel Pressure Piping from China

Seamless circular alloy steel pipes with 152.4 mm OD and 22 mm wall thickness, engineered for high-pressure fluid transport in petrochemical plants. Fits HTS 7304.59.80.40 for seamless alloy steel, OD 114.3-190.5 mm, wall ≥19 mm.

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

Obtain material test reports confirming alloy elements like chromium/molybdenum content

Ensure no internal/external welds; any welding disqualifies from seamless classification

Label dimensions clearly on packing lists to match statistical reporting requirements