High-Pressure Alloy Steel Welded Pipe for Power Plant Cooling
Alloy steel pipe longitudinally welded with OD >406.4 mm for circulating water in thermal power plant cooling systems. Under HTS 7305.31.60 as other large welded circular tubes. Resistant to thermal fatigue.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +75.0% | 75% |
| 🇲🇽Mexico | Free | +50.0% | 50% |
| 🇨🇦Canada | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | +50.0% | 50% |
| 🇯🇵Japan | Free | +50.0% | 50% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specific statistical requirements met
Precision tolerances or grades trigger statistical breaks within 7305.31.
If as parts of turbo-generators
Power plant-specific use as generator parts shifts to Chapter 84.
If of galvanized sheet
Galvanized material source changes base heading to 7301 for welded tubes.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include thermal conductivity specs if relevant, but focus on alloy certs for classification
• Mark 'industrial bulk' to avoid retail packaging scrutiny
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