Seamless Steel Penstock Pipe Section from China
Large diameter seamless penstock pipes for hydroelectric plants, non-alloy steel, OD >406.4 mm, wall <19 mm. Classifies HTS 7304.39.0076 as other seamless steel tubes. Carries water under pressure to turbines.
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
• ASME B31.3 process piping code documentation required
• Hydrostatic test pressures must match design specs
• Segmented shipment declarations for long penstocks