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Extra Heavy Seamless Steel Pipe for Pressure Vessels 30-inch OD 40mm Wall from China

Ultra-thick seamless carbon steel pipe for fabricating high-pressure storage vessels, 30-inch (762 mm) OD and 40 mm walls, ASME SA106 compliant. Fits HTS 7304.39.0080 criteria for seamless nonalloy steel pipes with OD >406.4 mm and walls ≥19 mm. Critical for LNG and reactor vessels.

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 U-stamp readiness documentation for pressure vessel code compliance

Bulk imports require container loading plans to prevent damage to thick walls

Test for lamination defects; rejects common in thick seamless products