Cast Iron Ventilation Duct Pipe from Japan
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 — 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
• Specify ventilation end-use in invoices to differentiate from pressure ducts
• Test for cast iron metallurgy to prevent steel misclassification