Boiler Firetube Replacement
A firetube is a critical heat exchanger tube used in fire-tube boilers to transfer heat from combustion gases to water, generating steam. It is a dedicated part of a steam generating boiler and is classified under the parts provision of this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tube is presented as a generic seamless steel pipe
Unfinished tubes of iron or steel are classified in Chapter 73 unless clearly identifiable as boiler parts.
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
• Specify the boiler model and tube dimensions on the commercial invoice to confirm its use as a boiler part
• Ensure the material (e.g
• carbon steel, alloy) is clearly stated
• Keep records showing the tube is not a general-purpose pipe but a boiler-specific component
Related Products under Tariff item 8402.90.00
Boiler Economizer Module
A boiler economizer module is a heat recovery module installed in boiler exhaust stacks to preheat feedwater using waste gases from steam generation. It is a performance-enhancing part of vapor boilers, falling under the parts provision of this tariff item.
Boiler Expansion Joint
A boiler expansion joint is a flexible connection that accommodates thermal expansion and contraction between boiler pressure parts and structural steel during steam generation cycles. It is a dedicated component of a steam or other vapour generating boiler, falling under the parts provision of this tariff item.
Boiler Feedwater Pump Impeller
This specialized impeller is designed for multistage feedwater pumps that deliver high-pressure water to steam boilers. While pumps are generally classified under heading 84.13, this impeller is a dedicated part of a steam generating boiler system and is therefore classified under the parts provision of this tariff item.
Boiler Manway Door Assembly
A manway door assembly provides access for boiler tube inspection and maintenance in steam generating pressure vessels. It includes a gasket, bolts, and a davit assembly, and is a dedicated part of a steam generating boiler, falling under the parts provision of this tariff item.
Boiler Refractory Lining Kit
A refractory lining kit protects boiler pressure parts from combustion flame and hot gases in steam generating units. It includes high-alumina castable mixes and anchor systems, and is a dedicated part of a steam generating boiler, falling under the parts provision of this tariff item.
Boiler Safety Valve
A boiler safety valve automatically relieves excess boiler pressure to prevent explosion, and is mandatory for steam generating boilers. It is a safety device integral to boiler operation, falling under the parts provision of this tariff item.