Cast Iron Radiator Supply Pipe
Hollow cast iron pipe for steam or hot water supply to heating radiators. Classified HTS 7303.00.00.90 as other non-boiler cast iron pipes. Integral to vintage HVAC systems.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-pressure boiler feed
Boiler/superheater designation changes suffix.
If parts of boilers
Boiler-specific parts under central heating machinery.
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
• Specify low-pressure heating use vs. boiler tubes
• Include thermal expansion specs in docs
Related Products under HTS 7303.00.00.90
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