Seamless Aluminum Alloy Hydraulic Cylinder Tube
This seamless tube made from 6061 aluminum alloy is designed for use in hydraulic and pneumatic cylinders in industrial machinery. It falls under HTS 7608.20.00.30 because it is a tube of aluminum alloy produced without seams, meeting the definition where aluminum predominates but alloy elements exceed non-alloyed limits. The smooth interior finish ensures low friction for piston movement.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of aluminum, not alloyed
Shifts to non-alloyed if purity >=99% aluminum with impurities below specified limits per chapter note (a).
If imported as part of a complete hydraulic cylinder
Classified under finished machinery parts rather than raw tubes if assembled into a functioning hydraulic component.
If in coils and not fabricated into tubes
Aluminum alloy profiles in coils are under Chapter 76 bars/profiles, not tubes/pipes, before tube-forming.
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Import Tips & Compliance
• Verify alloy composition certification to confirm it meets aluminum alloy criteria (aluminum >50% with other elements >1%); obtain mill test reports for seamless production proof; watch for anti-dumping duties on certain Chinese-origin tubes
Related Products under HTS 7608.20.00.30
6063-T6 Seamless Aluminum Alloy Round Tube
A seamless extruded tube from 6063-T6 aluminum alloy commonly used in architectural frameworks and structural applications. Classified under HTS 7608.20.00.30 as it is of aluminum alloys (Mg-Si alloyed) and seamless, distinguishing it from welded tubes. The T6 temper provides excellent strength-to-weight ratio for load-bearing uses.
Seamless 7075 Aluminum Alloy Aircraft Tubing
High-strength seamless tubing from 7075 aluminum alloy (Zn-Cu-Mg) used in aerospace fuel lines and structural members. It qualifies for HTS 7608.20.00.30 as seamless aluminum alloy tubes where alloying elements like zinc exceed 1% total. Precision tolerances ensure compliance with aviation standards.
Seamless Aluminum Alloy Heat Exchanger Tubing
Thin-walled seamless tubes from 3003 aluminum alloy used in automotive and industrial heat exchangers for fluid transfer. Under HTS 7608.20.00.30 due to seamless construction and alloy composition (Mn alloyed). Corrosion resistance makes it ideal for radiator and condenser coils.
Seamless 6082 Aluminum Alloy Structural Pipe
Seamless pipe from 6082 aluminum alloy (Mg-Si) for marine and offshore structural frameworks. HTS 7608.20.00.30 applies as seamless aluminum alloy tubes/pipes per chapter definitions. High corrosion resistance suits harsh environments.
Seamless Aluminum Alloy Bicycle Frame Tube
Lightweight seamless butted tubing from 7005 aluminum alloy for high-performance bicycle frames. Falls under HTS 7608.20.00.30 as seamless aluminum alloy tubes tailored for cycling applications. Variable wall thickness optimizes strength and weight.
Seamless 5052 Aluminum Alloy Marine Piping
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