Cast Iron Stack Pipe for Multi-Story Buildings from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• CISPI 301 standard mandatory; test for 10-ft head pressure
• Long lengths (>20ft) need custom cradling to avoid bending stresses