Precast Concrete Tunnel Segments from Germany
Ring segments of reinforced concrete for tunnel lining in underground civil engineering projects like subways. Precision-cast with gasket grooves for watertight assembly, under HTS 6810.91.00.00. Essential for segmental tunnel boring machine construction.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide hydrostatic pressure test results for water resistance claims
• Mark segments with sequential numbers for assembly sequence verification
• Ensure tolerances meet TBM specifications in technical data sheets