Cast Iron Ventilation Duct Pipe from Mexico
Rigid cast iron hollow pipe for industrial ventilation and exhaust systems. Under HTS 7303.00.00.90 as other cast iron pipes, suitable for high-temperature air movement. Resistant to warping under heat.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify ventilation end-use in invoices to differentiate from pressure ducts
• Test for cast iron metallurgy to prevent steel misclassification