Industrial Ventilation Duct Pipe 16-inch
Welded spiral pipe of nonalloy steel, 406.5 mm OD (just over threshold), for large factory exhaust systems. Meets HTS 7305.90.10.00 for circular cross-section pipes >406.4 mm of iron/nonalloy steel. Smooth interior for high airflow.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prefabbed into duct assemblies
Complete ventilation structures under 7308.
Not sure which classification is right?
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Import Tips & Compliance
• Precise OD measurement certs critical near 406.4 mm threshold
• Specify spiral lock-seam as 'welded similarly closed'
• Avoid spiral wound from strip (7306 if smaller)
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