7178-T651 Hollow Aluminum Alloy Extrusion
A hollow extrusion made from 7178-T651 aluminum alloy, a heat-treatable high-strength alloy with zinc, magnesium, and copper, used for structural aerospace applications such as upper wing components. The profile provides high strength and is extruded to a hollow shape for weight savings. It is classified under 7604.21.00 as a hollow profile of aluminum alloy.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the product has a uniform wall thickness and a single enclosed void
Tubes and pipes of aluminum alloys are classified under heading 7608.
If the profile is solid
Solid profiles of aluminum alloys fall under this subheading.
If the profile is an identifiable part of an aircraft
Aircraft parts are classified in Chapter 88 when they meet the criteria for parts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit a certificate of conformance for the 7178-T651 alloy and temper
• Ensure the product is described as a hollow profile, not a tube, by checking the cross-section shape and wall thickness
• If the profile is for aerospace use, consider whether it qualifies for duty relief under the Canadian Aerospace Industry program
Related Products under Tariff item 7604.21.00
2014-T6 Aluminum Hollow Round Profile Rod
> This is a hollow round profile rod in 2014-T6 heat-treatable alloy, copper-magnesium based, for high-stress industrial parts like aircraft fittings. Heat treatment enhances strength for demanding applications, and the hollow cross-section places it under tariff item 7604.21.00.
2024-T3511 Hollow Aluminum Frame Profile
> This is a 2024-T3511 hollow profile, a classic heat-treatable alloy for aircraft skins and frames, copper-based with fatigue resistance. The hollow cross-section provides lightweight structures, and it classifies under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
2219-T851 Hollow Aluminum Alloy Profile
> This is a 2219-T851 hollow profile for welding applications in aerospace, a heat-treatable copper alloy with excellent cryogenic properties. Used in tank structures, its hollow cross-section places it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
5052 Hollow Aluminum Profile Tube
A hollow profile made from 5052 aluminum alloy, a magnesium-alloyed alloy with an irregular oval cross-section, used in marine and automotive applications. The profile is extruded for further manufacturing and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its irregular shape distinguishes it from tubes or pipes.
6061 Hollow Architectural Profile
A hollow profile made from 6061 aluminum alloy, used for architectural facades with an irregular shape. The profile is extruded to a hollow cross-section for structural support and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its irregular shape distinguishes it from tubes or pipes.
6061-T6 Aluminum Alloy Hollow Rail Profile
> This is an extruded hollow oval profile made from 6061-T6 aluminum alloy, a heat-treatable alloy with magnesium and silicon as principal alloying elements. It is used for balustrade and staircase rails, and its hollow cross-section qualifies it as a hollow profile under tariff item 7604.21.00.