Welded Steel Pipe for Industrial Chimney Stack
Large OD welded nonalloy steel pipe sections for exhaust stacks on factories, >406.4 mm diameter. Falls under 7305.39.1000 as other circular welded tubes of iron/nonalloy steel. Designed for bolted sectional assembly.
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 assembled with platforms/ladders
Tower/bridge equipment classification when accessorized.
If specifically boiler central heating parts
Chapter 84 if principal use for boilers.
If seamless high-pressure stack variant
Seamless construction shifts to 7304.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• High-temperature coating specs must be documented for environmental permits
• Confirm vertical load design doesn't qualify as 'tower' structures
• Bundle shipments need piece count for statistical reporting
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