Boiler Economizer Tube
Cold-rolled seamless steel tube for economizer sections in recovery boilers, enhancing preheating efficiency. Nonalloy composition for cost-effective high-volume use. Suits 7304.31.60.10 for boiler application.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general cold-drawn without specific equipment note
Lacks explicit suitability statement for listed apparatus.
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 economizer zone temperatures in technical data sheets
Related Products under HTS 7304.31.60.10
Cold-Drawn Evaporator Condenser Tube
Seamless tube for evaporator-condenser circuits in refining distillation columns. Dual duty classification under condensers and refining.
Surface Condenser Carbon Steel Tube
Cold-reduced tube for power plant surface condensers, seamless nonalloy for cooling high-purity steam condensate. Precision ID for insertable spears. 7304.31.60.10 for condenser duty.
Cold-Rolled Superheater Element Tube
Seamless tube elements for pendant superheater assemblies in coal-fired boilers. Cold-formed for shop fabrication. Classified for superheaters.
Process Heater Seamless Tube
Cold-drawn tube for fired process heaters in gas processing plants. Nonalloy steel for general hydrocarbon service. Refining furnace suitable.
Deaerator Heater Tube
Seamless cold-rolled tube bundle for deaerating feedwater heaters. Removes dissolved oxygen from boiler feed. Feedwater heater classification.
Waste Heat Boiler Tube
Cold-formed seamless tubes for HRSG waste heat recovery boilers in gas turbine plants. Circulating cross section for gas-side convection.