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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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