Seamless Brass Pneumatic Air Line Tubing
Seamless tubing from brass alloy for compressed air lines in pneumatic tools and systems. HTS 7411.21.10.00 applies for its seamless brass composition 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 welded construction for cost-sensitive applications
Welded brass pipes are excluded from seamless heading.
If pure copper without zinc alloying
Non-alloy copper tubes fall under 7411.10, lacking zinc predominance.
If reclassified for threading/screw use
Threaded brass pipes may go to Chapter 73 as fittings if function prevails.
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
• Certify pressure ratings and seamless integrity with hydrostatic test reports
• Use HS explanatory notes to justify seamless vs. welded distinction during entry
Related Products under HTS 7411.21.10.00
Seamless Brass Refrigerator Tubing
Seamless tubing made from copper-zinc base alloy (brass) used in refrigeration systems for refrigerant flow. It falls under HTS 7411.21.10.00 as seamless copper alloy pipe of brass composition, meeting the definition where zinc predominates over other elements except copper.
Seamless Brass Hydraulic Hose Line
Seamless brass pipe used in hydraulic systems for fluid transfer in machinery. Classified under HTS 7411.21.10.00 due to its seamless construction and copper-zinc base alloy meeting brass criteria (zinc predominant, low Ni/Sn).
Seamless C44300 Brass Heat Exchanger Tube
C44300 grade seamless brass tube (70Cu-30Zn-Arsenical) for heat exchangers resisting corrosion. HTS 7411.21.10.00 as seamless brass copper-zinc base alloy.
Seamless Yellow Brass 3/8 Inch Pipe
Yellow brass (high zinc 65Cu-35Zn) seamless pipe 3/8" for plumbing and instrumentation. HTS 7411.21.10.00 seamless copper-zinc base alloy.
Seamless Brass Evaporator Coil Tubing
Seamless brass tubing formed into coils for HVAC evaporator units. Under 7411.21.10.00 as seamless brass despite coiling post-manufacture.
Seamless Cartridge Brass Hydraulic Tubing
Cartridge brass (70/30 Cu/Zn) seamless tubing for high-pressure hydraulics. HTS 7411.21.10.00 seamless copper-zinc pipe.