Cast Iron Stack Pipe for Multi-Story Buildings from Japan
Heavy-duty cast iron stack pipe sections for vertical drainage in high-rise buildings. As a seamless hollow profile of cast iron, it is precisely under HTS 7303.00.00 for structural plumbing.
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
• CISPI 301 standard mandatory; test for 10-ft head pressure
• Long lengths (>20ft) need custom cradling to avoid bending stresses