Cold-Reduced TP347HFG Condenser Tube
Seamless cold-reduced tube of TP347HFG stabilized stainless steel for water-cooled condensers in power plants. Engineered for thermal fatigue resistance in feedwater heaters. Classified in 7304.51.50.15 as heat-resisting alloy steel tube for condensers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of lower-alloy steel not heat-resisting
Tubes with insufficient chromium/nickel for heat resistance classify under other alloy steel headings.
If imported in threaded form
Threaded or coupled pipe ends move to heading 7307 for mechanical tubing.
If as part of distributed solar thermal collector
Assembled into solar power generation equipment parts under Chapter 85.
Not sure which classification is right?
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Import Tips & Compliance
• Require hydrostatic test certificates (>1000 psi typical) to substantiate condenser suitability
• Differentiate from boiler tubes via application specs; mislabeling leads to duty disputes
• For Chinese-origin goods, confirm AD/CVD status; many heat-resisting tubes subject to orders
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