Feedwater Heater Pipe 210mm OD ASTM A334 Grade 1
Seamless carbon steel pipe, 210 mm outside diameter, manufactured to ASTM A334 Grade 1 with low-temperature impact properties, for feedwater heaters in closed-loop heating of boiler feedwater in utility plants. As a seamless iron or non-alloy steel product with circular cross-section, it is classified under tariff item 7304.39.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the pipe is made of stainless steel
Stainless steel seamless pipes are classified separately for corrosion-resistant alloys.
If the pipe is made of other alloy steel
Alloy steel seamless pipes, other than stainless, fall under this subheading.
If the pipe is welded rather than seamless
Welded pipes of iron or non-alloy steel are classified in heading 7306.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide the ASTM A334 Grade 1 certificate to demonstrate the low-temperature properties and non-alloy steel composition
• Confirm the pipe's outside diameter (210 mm) is within the scope of tariff item 7304.39.00
• Check if the pipe is part of a larger feedwater heater system that may affect classification
Related Products under Tariff item 7304.39.00
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This is a large 125mm outside diameter seamless tube for steam drum risers in industrial boilers, connecting waterwall tubes to the steam drum in high-pressure systems. Its non-alloy steel composition and seamless circular construction qualify it under tariff item 7304.39.00, which covers other seamless tubes of iron or non-alloy steel with a circular cross-section.
50mm OD Boiler Economizer Tube
This is a seamless carbon steel economizer tube with a 50mm outside diameter, used for recovering waste heat in boiler stacks. Its non-alloy steel composition and seamless circular construction qualify it under tariff item 7304.39.00, which covers other seamless tubes of iron or non-alloy steel with a circular cross-section.
ASTM A106 Grade B Feedwater Heater Tube
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ASTM A210 Grade A1 Heat Exchanger Tube
This is a seamless medium-carbon steel tube manufactured to ASTM A210 Grade A1 specifications, with a 100mm outside diameter, for condenser and heat exchanger service in refining furnaces. Its non-alloy steel composition and seamless circular construction qualify it under tariff item 7304.39.00, which covers other seamless tubes of iron or non-alloy steel with a circular cross-section.