304 Stainless Steel U-Tube for Condensers
Pre-formed U-bent welded 304 stainless steel tubes with heavy walls for surface condenser tube bundles in marine and power applications. The U-shape facilitates thermal expansion. Classified under HTS 7306.40.50.15 as suitable for condensers despite bending.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless U-tube variants
Seamless U-bent condenser tubes remain in 7304 heading for seamless products.
If alloy steel construction
Equivalent U-tubes in alloy steel (not stainless) use 7306.50 provisions.
If imported as complete condenser tube bundle
Assembled bundles with tubes and tube sheets classify under complete condenser heading.
Not sure which classification is right?
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Import Tips & Compliance
• Specify tube pitch and U-bend radius in import docs to confirm condenser bundle compatibility
• Include tube sheet compatibility data if imported with end fittings
• Verify if bending constitutes 'further working' affecting classification from straight tubes
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