Reinforced Concrete Staircase Units from Japan
Prefabricated precast concrete stair flights with integrated landings and rail attachments for multi-level buildings. Reinforced for live loads and fire resistance, classified in HTS 6810.91.00.00 as structural building components. Enables rapid installation in construction sites.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ensure fire-rating documentation complies with NFPA standards for high-rise imports
• Match tread dimensions to IBC accessibility codes in import declarations
• Ship with protective wrapping to prevent surface damage affecting structural integrity