7178-T651 Hollow Aluminum Alloy Extrusion
7178-T651 hollow extrusion, heat-treatable high-strength alloy for structural aerospace use, zinc-magnesium-copper composition. Provides upper wing strength. HTS 7604.21.00.10 for note 7 heat-treatable hollow profiles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 1.5% | +35.0% | 36.5% |
| 🇲🇽Mexico | 1.5% | +10.0% | 11.5% |
| 🇨🇦Canada | 1.5% | +10.0% | 11.5% |
| 🇩🇪Germany | 1.5% | +10.0% | 11.5% |
| 🇯🇵Japan | 1.5% | +10.0% | 11.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unwrought aluminum alloys
If not formed into bars/rods/profiles, remains unwrought.
If gas turbine parts
Specific end-use in turbines takes machinery classification.
If other hollow alloy profiles
Catch-all for hollow profiles not heat-treatable or specified.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• High-strength alloys need non-destructive testing reports for import
• Confirm cross-section is profile, not tubular for pressure
• Alloy must predominate Al per subheading note (b); no steel composites
Related Products under HTS 7604.21.00.10
6061-T6 Aluminum Hollow Profile Bar
This is a hollow square profile bar made from 6061-T6 aluminum alloy, a heat-treatable industrial alloy with magnesium and silicon as principal alloying elements. It is used in structural applications like machinery frames due to its high strength-to-weight ratio. Classified under 7604.21.00.10 as a hollow profile of heat-treatable alloys per statistical note 7.
7075-T6511 Hollow Rectangular Aluminum Profile
A high-strength hollow rectangular profile from 7075-T6511 aluminum alloy, heat-treatable with zinc as the primary alloying element, ideal for aerospace structural components. Its hollow design allows for weight savings in industrial applications. Falls under 7604.21.00.10 for heat-treatable industrial hollow profiles.
6082-T6 Extruded Hollow Aluminum Alloy Profile
Extruded hollow profile in 6082-T6 alloy, a heat-treatable industrial aluminum with manganese and magnesium, used in construction and automotive framing. The hollow cross-section provides rigidity and material efficiency. Classified in 7604.21.00.10 as per heat-treatable alloys in statistical note 7.
6063-T6 Custom Hollow Aluminum Profile
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