Seamless Admiralty Brass Condenser Tube
Admiralty brass (70/30 Cu/Zn with trace elements) seamless tube for heat exchanger condensers in marine and HVAC. Fits HTS 7411.21.10.00 as copper-zinc base alloy, seamless.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If arsenic-added for dezincification resistance exceeding standard brass
Certain admiralty variants may qualify as nickel silver if Ni meets threshold.
If imported as parts of heat exchangers
End-use as condenser parts shifts to Chapter 84 machinery parts.
If unfinished tube stock for further fabrication
Unfinished articles of copper alloys classified under 7419.
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Import Tips & Compliance
• Include ASTM B111 certification specifying admiralty brass grade and seamless process
• Document dezincification resistance for corrosion-prone applications
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