AL-6XN Stainless Heat Exchanger U-Tube
Pre-formed U-bend seamless AL-6XN stainless steel tubes for floating head heat exchangers in desalination plants. UNS N08367 alloy provides seawater corrosion resistance. 7304.49.0045 classification for heat exchanger suitability, seamless stainless construction with circular section.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with expanded tube ends
Tube sheet expansion makes it a fitting under 7307.
If bundled as exchanger spare parts set
Sets of tubes for specific exchangers may classify as parts.
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
• U-bend dimensions (leg length, radius, wall thinning) must match exchanger design exactly
• Seawater service declaration supports high-Mo alloy justification
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