Seamless Leaded Naval Brass Tube
Leaded naval brass seamless tubes (C48500) for marine valves and fittings, improved machinability with corrosion resistance. Seamless copper alloy tube HTS 7411.29.10.00 as brass per subheading note (a).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If very high purity copper base
Minimal alloying shifts to refined copper tubes.
If supplied as precision tube stock
Profile copper alloys in tube form classify under Chapter 74 profiles.
If imported as valve body blanks
Pre-machined tube forms for valves become machinery parts.
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Import Tips & Compliance
• 1
• Declare lead content for Safe Drinking Water Act compliance if plumbing use. 2
• Verify tin <3% to avoid bronze classification. 3
• Provide machinability grade specifications
Related Products under HTS 7411.29.10.00
Seamless Admiralty Brass Tube
Admiralty brass tubes (C44300 alloy) are seamless copper-zinc-tin alloy pipes used primarily in heat exchangers and condensers for their excellent corrosion resistance in seawater. Classified under HTS 7411.29.10.00 as seamless tubes of copper alloys other than those specifically excluded. Meets subheading note (a) for brass alloys where zinc predominates.
Seamless C70600 Copper-Nickel Tube
90/10 copper-nickel alloy (C70600) seamless tubes designed for marine cooling systems and desalination plants due to superior resistance to flowing seawater corrosion. Falls under HTS 7411.29.10.00 as seamless copper alloy tubes, specifically copper-nickel base alloys per subheading note (d).
Seamless Phosphor Bronze Tube C51000
Seamless phosphor bronze (C51000, 5% tin) tubes used in hydraulic systems and instruments for their strength and wear resistance. HTS 7411.29.10.00 applies to seamless copper alloy tubes, qualifying as copper-tin base alloy per subheading note (b).
Seamless Naval Brass Tube C46400
Naval brass (C46400, copper-zinc-tin) seamless tubes for propeller shafts and marine hardware offering dezincification resistance. Seamless copper alloy tube under HTS 7411.29.10.00 per brass alloy definition in subheading note (a).
Seamless Aluminum Brass Condenser Tube
Arsenical aluminum brass tubes (C68700) for power plant condensers, seamless construction with enhanced corrosion resistance. HTS 7411.29.10.00 for other seamless copper alloy tubes meeting brass alloy criteria.
Seamless C71500 70/30 Copper-Nickel Tube
70/30 copper-nickel (C71500) seamless tubes for desalination and offshore platforms, offering maximum seawater corrosion resistance. Seamless copper-nickel base alloy tube per HTS 7411.29.10.00 and subheading note (d).