6061 Aluminum Alloy Round Tube
Seamless round tubing made from 6061 aluminum alloy, commonly used in structural applications like frames and supports. It falls under HTS 7608.20.00 as it is a tube of aluminum alloys, where aluminum predominates but alloying elements like magnesium and silicon exceed non-alloyed limits. Typical outer diameter ranges from 0.5 to 6 inches with wall thicknesses from 0.035 to 0.5 inches.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from unalloyed aluminum (99%+ pure Al)
Pure aluminum tubes without significant alloying elements fall under the unalloyed aluminum subheading per chapter note (a).
If further processed into finished articles like handles or frames
Fabricated aluminum articles not specifically tubes/pipes are classified in 7616 as other articles of aluminum.
If designed for pressure service and meeting ASME pipe standards
Alloy tubes specifically for conveyance of fluids under pressure may classify as mechanical piping under Chapter 73.
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Import Tips & Compliance
• Verify alloy composition certificate showing aluminum >50% with Fe+Si >0.1% or other elements >1% to confirm 7608.20.00 classification
• Provide mill test reports (MTRs) documenting chemical analysis and mechanical properties to avoid reclassification as non-alloyed aluminum
• Ensure accurate dimensional specs in entry docs; tubes vs pipes distinguished by use (pressure vs structural)
Related Products under HTS 7608.20.00
6063 Aluminum Alloy Square Tubing
Extruded square profile tubing from 6063 aluminum alloy, ideal for architectural frameworks and railings. Classified under HTS 7608.20.00 due to its aluminum alloy composition with silicon and magnesium additions exceeding purity limits. Standard sizes include 1x1 to 4x4 inch profiles with 0.125-inch wall thickness.
5083 Aluminum Alloy Seamless Pipe
Seamless pipe from marine-grade 5083 aluminum alloy, used in shipbuilding and chemical processing. HTS 7608.20.00 applies as it's an aluminum alloy tube/pipe with magnesium content creating alloy properties per chapter definitions. Available in schedules 10/40/80 with diameters up to 12 inches.
7075 Aluminum Alloy Thin-Wall Tube
High-strength thin-wall tubing from 7075 aluminum alloy for aerospace and bicycle frame applications. Falls under HTS 7608.20.00 as aircraft-quality aluminum alloy tubing with zinc/copper/magnesium alloying. Wall thicknesses typically 0.028-0.065 inches for 1-2 inch OD.
3003 Aluminum Alloy HVAC Tubing
Coiled or straight 3003 aluminum alloy tubing for HVAC refrigerant lines and condenser coils. Classified HTS 7608.20.00 as aluminum alloy tubes containing manganese alloying elements. Common diameters 3/8" to 7/8" with 0.020-0.032" walls.
6061 Aluminum Alloy Telescopic Tube
Anodized telescoping tube sets from 6061-T6 alloy for antenna masts and flagpoles. HTS 7608.20.00 covers these aluminum alloy tubes designed for adjustable length applications. Sequential diameters allow 3-6 sections to extend/retract smoothly.
5052 Aluminum Alloy Hydraulic Cylinder Tube
Precision-bored 5052 aluminum alloy tubing for hydraulic and pneumatic cylinders. Falls under HTS 7608.20.00 as alloy tubes with magnesium content for marine hydraulic applications. Honed interior finish provides leak-free piston operation.