2.25Cr-1Mo Boiler Feedwater Heater Tube
Seamless 2.25% chromium-1% molybdenum tubes for economizers and feedwater heaters in coal-fired boilers. Provides oxidation resistance up to 600°C, it falls under tariff item 7304.59.00 as other seamless tubes of alloy steel.
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
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Import Tips & Compliance
• Confirm the tube is seamless and circular
• Provide a certificate of compliance with ASME standards
• Ensure the alloy composition is documented for customs classification
Related Products under Tariff item 7304.59.00
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Seamless tube of 17-4PH precipitation-hardening stainless alloy steel, circular cross-section, used for corrosion-resistant ball and roller bearings in marine or food processing equipment. Heat-treatable to high strength, it falls under tariff item 7304.59.00 as other seamless tubes of alloy steel.
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Seamless 253MA austenitic steel tube for heat exchangers in boilers, with nitrogen-enhanced heat resistance up to 2000°F. Used in refining applications where high-temperature strength is critical.
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Seamless circular tube from AISI 440C martensitic stainless alloy steel, through-hardenable for high-carbon bearing rings in harsh environments. Precision tolerances for raceway forming, it fits under tariff item 7304.59.00 as other seamless tubes of alloy steel.
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Seamless AL-6XN super-austenitic tube for seawater condensers and heat exchangers, offering pitting resistance at high temperatures. Used in power and refining applications where chloride corrosion is a concern.
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