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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hollow but classified as profiles
Narrower profiles with specific cross-sections may fall under 7604 rather than tubes if not primarily for fluid conveyance.
If of unalloyed aluminum
Non-alloyed seamless tubes (99%+ Al) go to 7608.10 per chapter note (a) purity standards.
If steel tubes with aluminum coating
Steel tubes receive different classification even if aluminum-alloy coated; material predominance determines heading.
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Import Tips & Compliance
• Require heat treatment and temper certification (T6) in documentation; ensure seamless extrusion process is documented to avoid welded tube misclassification; check for Section 232 tariffs on aluminum articles
Related Products under HTS 7608.20.00.30
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