36-Inch OD Seamless Alloy Steel Structural Pipe from China
Seamless alloy steel pipe, 36-inch (914.4 mm) OD, for offshore platform structural columns. Under HTS 7304.59.80.80 for seamless, circular, other alloy steel with OD >406.4 mm. High strength-to-weight ratio suits marine environments.
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
• Certify compliance with ASTM A501 for structural alloy applications to support valuation
• Document galvanization if applied—may affect alloy content calculation for classification
• Bundle in protective caps during shipping to prevent OD deformation that could trigger re-measurement