Chapter 7604 — Customs Tariff Headings
Products classified under Tariff item 76.04
99.5% Pure Aluminum Round Rod 1/4 Inch Diameter
A straight round rod made from unalloyed aluminum containing at least 99% aluminum by weight, with iron plus silicon content under 0.1%. It has a uniform circular cross-section and is used in manufacturing and construction. It is classified under 7604.10.00 as an unalloyed aluminum bar or rod.
7604.10.0099.7% Aluminum Round Bar 9/16 Inch
A high-purity 99.7% unalloyed aluminum round bar, 9/16-inch diameter, for laboratory equipment. The aluminum content is at least 99% by weight, with impurities within Chapter 76 limits. It has a uniform circular cross-section, qualifying as a bar under Section XV note 9(a).
7604.10.00Aluminum 1100 Series Round Stock 5/8 Inch
A Series 1100 unalloyed aluminum round bar with a 5/8-inch cross-section, commercially pure for general fabrication. It conforms to the limits for Fe+Si and other elements in Chapter 76 subheading note 1(a). It has a uniform circular cross-section, qualifying as a bar under Section XV note 9(a).
7604.10.00Aluminum Round Rod 11/16 Inch Non-Alloyed
An 11/16-inch diameter non-alloyed aluminum round rod for automotive prototypes. The elemental composition is strictly within the limits for unalloyed aluminum in Chapter 76 subheading note 1(a). It has a uniform circular cross-section, qualifying as a rod under Section XV note 9(a).
7604.10.00Commercial Pure Aluminum Rod 3/4 Inch Round
A commercial purity unalloyed aluminum rod, 3/4-inch round, for electrical contacts and reflectors. It adheres to the elemental limits for unalloyed aluminum in Chapter 76 subheading note 1(a). It has a uniform circular cross-section, qualifying as a rod under Section XV note 9(a).
7604.10.00Non-Alloyed Aluminum Round Bar 1 Inch Diameter
A 1-inch diameter round bar of unalloyed aluminum, with a purity of at least 99% and impurities within the limits set by Chapter 76 subheading note (a). It is used for structural supports and prototyping, and its uniform solid cross-section qualifies it as a bar under Section XV note 9(a).
7604.10.00Pure Al Rod 5/16 Inch Round Cross Section
A 5/16-inch unalloyed pure aluminum rod with a round cross-section, used for hobbyist machining. Its composition meets the Chapter 76 definition of non-alloyed aluminum, and its uniform solid cross-section classifies it as a bar or rod under Section XV note 9(a).
7604.10.00Pure Aluminum Awning Frame Profile
A box-section profile extruded from high-purity unalloyed aluminum, designed for use in retractable awning frames. The aluminum content is at least 99% by weight, with impurities within the limits specified in Chapter 76 subheading note 1(a). It is a profile with a uniform cross-section, meeting the definition of 'profiles' in Section XV note 9(b).
7604.10.00Pure Aluminum Door Track Extrusion
A rectangular hollow profile extruded from unalloyed aluminum, used for sliding door tracks. The aluminum purity meets the 99% threshold for non-alloyed aluminum, and the product has a uniform cross-section along its length, qualifying as a profile under Section XV note 9(b). It is not further worked beyond extrusion, fitting the definition of 'unworked' profiles.
7604.10.00Pure Aluminum Greenhouse Frame Profile
A U-channel profile extruded from unalloyed aluminum for greenhouse structural frames. The aluminum is not alloyed, with purity above 99% and impurities within Chapter 76 limits. It is a profile with a uniform cross-section, classified under 7604.10.00 as an unalloyed aluminum profile.
7604.10.00Pure Aluminum HVAC Duct Profile
An angle profile of unalloyed aluminum used for HVAC duct framing and supports. The aluminum is not alloyed, meeting the 99% purity threshold, and the product has a uniform L-shaped cross-section, qualifying as a profile under Section XV. It is an unworked profile, not further processed beyond extrusion.
7604.10.00Pure Aluminum Round Rod 3/8 Inch for Machining
A 3/8-inch diameter unalloyed aluminum rod with a round cross-section, designed for CNC machining into fittings. The aluminum content exceeds 99% and other elements are within the limits of Chapter 76 subheading note (a), making it a non-alloyed aluminum bar or rod.
7604.10.00Pure Aluminum Solar Panel Frame Extrusion
An L-shaped profile extruded from 99.99% pure aluminum for framing photovoltaic solar panels. The aluminum is unalloyed, with purity exceeding the 99% threshold, and the profile has a uniform cross-section. It is classified under 7604.10.00 as an unalloyed aluminum profile, used in renewable energy assemblies.
7604.10.00Unalloyed Al Round Rod 7/16 Inch for Fabrication
A 7/16-inch diameter unalloyed aluminum round rod for custom fabrication projects. It has high aluminum content with controlled impurities per Chapter 76 note (a), and its uniform round cross-section makes it a bar or rod under Section XV note 9(a).
7604.10.00Unalloyed Aluminum Curtain Wall Profile
A T-shaped extruded profile from pure aluminum used in commercial building curtain walls for structural mullions. The aluminum is unalloyed, meeting the 99% purity requirement, and the profile has a uniform cross-section. It is designed for further fabrication but is not yet worked, fitting the definition of an unworked profile.
7604.10.00Unalloyed Aluminum Flat Bar 2x1/4 Inch
A rectangular flat bar of unalloyed aluminum, 2 inches wide by 1/4 inch thick, for framing applications. Its thickness exceeds one-tenth of the width, so it qualifies as a bar under Section XV note 9(a), and its composition meets the non-alloyed aluminum definition.
7604.10.00Unalloyed Aluminum Hexagonal Bar 1 Inch Across Flats
A hexagonal bar of high-purity unalloyed aluminum, 1 inch across flats, used in fasteners and machinery. Its regular convex polygonal cross-section qualifies it as a bar under Section XV note 9(a), and its composition meets the non-alloyed aluminum definition.
7604.10.00Unalloyed Aluminum Ladder Rail Profile
A D-shaped extruded profile from unalloyed aluminum for extension ladder side rails. The aluminum is not alloyed, with purity above 99%, and the profile has a uniform cross-section. It is classified under 7604.10.00 as an unalloyed aluminum profile, not further worked.
7604.10.00Unalloyed Aluminum Partition Wall Profile
An I-beam shaped profile of pure aluminum for office partition wall systems. The aluminum is unalloyed, meeting the 99% purity threshold, and the profile has a complex uniform cross-section. It is classified under 7604.10.00 as an unalloyed aluminum profile, not further worked.
7604.10.00Unalloyed Aluminum Round Bar 1/2 Inch Diameter
A 1/2-inch diameter unalloyed aluminum bar with a round cross-section, suitable for aerospace components and precision machining. It meets the Chapter 76 subheading note (a) for non-alloyed aluminum, with a purity of at least 99% and impurities within limits.
7604.10.00Unalloyed Aluminum Shelving Upright Profile
A slotted C-channel profile extruded from pure aluminum for commercial shelving uprights. The aluminum is unalloyed, with purity above 99%, and the profile has a uniform cross-section. It is classified under 7604.10.00 as an unalloyed aluminum profile, not further worked.
7604.10.00Unalloyed Aluminum Solid Round Rod 3/8 Inch
A solid round rod of pure aluminum (not alloyed), 3/8 inch diameter, ideal for CNC machining stock. Its composition meets the Chapter 76 non-alloyed aluminum definition, and its uniform round cross-section classifies it as a bar or rod.
7604.10.00Unalloyed Aluminum Square Rod 20mm x 20mm
A square cross-section rod of pure unalloyed aluminum, 20mm sides, for machining into precision parts. Its square cross-section qualifies it as a bar under Section XV note 9(a), and its composition meets the non-alloyed aluminum definition.
7604.10.00Unalloyed Aluminum Window Frame Profile
An extruded profile made from unalloyed aluminum (99%+ pure Al) used for manufacturing window frames in residential buildings. The aluminum is not alloyed, meeting the purity requirements, and the profile has a uniform cross-section. It is classified under 7604.10.00 as an unalloyed aluminum profile, not further worked.
7604.21.002014-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.
7604.21.002024-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.
7604.21.002219-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.
7604.21.005052 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.
7604.21.006061 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.
7604.21.006061-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.
7604.21.006061-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, and its hollow cross-section qualifies it under tariff item 7604.21.00.
7604.21.006061-T6 Aluminum Hollow Square Profile
A hollow square profile extruded from 6061-T6 aluminum alloy, commonly used in structural frameworks and machinery components. The profile has a hollow square cross-section and is classified under 7604.21.00 as a hollow profile of aluminum alloy. It is not a tube or pipe due to its square cross-section with non-uniform wall thickness.
7604.21.006063 Aluminum Hollow Round Profile
An extruded hollow round profile made from 6063 aluminum alloy, ideal for architectural handrails and frames. The profile has a hollow round cross-section and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its non-rectangular hollow shape distinguishes it from tubes or pipes.
7604.21.006063-T5 Aluminum Alloy Hollow Bar 2 inch OD
> This is a hollow round profile extruded from 6063-T5 aluminum alloy, with a 2-inch outside diameter, used for telescoping poles and furniture frames. Its hollow cross-section and alloy composition place it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
7604.21.006063-T6 Custom Hollow Aluminum Profile
> This is a custom-shaped hollow profile in 6063-T6 heat-treatable alloy, magnesium-silicon based, for architectural and industrial framing systems. Heat-treated for strength in extrusions, its hollow cross-section places it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
7604.21.006082-T6 Extruded Hollow Aluminum Alloy Profile
An extruded hollow profile made from 6082-T6 aluminum alloy, a heat-treatable industrial alloy containing manganese and magnesium. Its hollow cross-section provides high rigidity and material efficiency, making it suitable for construction and automotive framing applications. This product falls under tariff item 7604.21.00 as a hollow profile of aluminum alloy.
7604.21.006082-T6 Hollow Aluminum Profile for Construction
A hollow profile made from 6082-T6 aluminum alloy with an I-beam-like cross-section, used for building scaffolds. The profile is tempered for strength and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its I-beam shape distinguishes it from tubes or pipes.
7604.21.007046-T651 Hollow Structural Aluminum Profile
A high-strength hollow structural profile made from 7046-T651 aluminum alloy, a heat-treatable zinc alloy used in military and aerospace landing gear components. The profile offers excellent damage tolerance and is extruded to a hollow cross-section for weight reduction. It is classified under 7604.21.00 as a hollow profile of aluminum alloy.
7604.21.007050-T7451 Hollow Aluminum Extrusion Profile
A hollow extrusion profile made from 7050-T7451 aluminum alloy, a heat-treatable alloy optimized for aerospace applications with zinc, copper, and magnesium. The profile is used in fuselage frames and provides superior fracture toughness. It is classified under 7604.21.00 as a hollow profile of aluminum alloy.
7604.21.007075 Hollow Aluminum Profile for Aerospace
A high-strength hollow profile made from 7075 aluminum alloy, extruded for aircraft structural components. The profile has a hollow cross-section and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its zinc/magnesium alloy composition exceeds pure aluminum thresholds, confirming its alloy status.
7604.21.007075-T6511 Hollow Rectangular Aluminum Profile
A high-strength hollow rectangular profile made from 7075-T6511 aluminum alloy, a heat-treatable alloy with zinc as the primary alloying element. The profile is ideal for aerospace structural components due to its high strength-to-weight ratio and hollow design for weight savings. It is classified under 7604.21.00 as a hollow profile of aluminum alloy.
7604.21.007075-T6 Aluminum Alloy Hollow Structural Section
> This is a high-strength hollow D-shaped profile extruded from 7075-T6 aluminum alloy, used in aerospace and defense structures. The zinc-based alloy and hollow cross-section make it a hollow profile of aluminum alloys under tariff item 7604.21.00.
7604.21.007178-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.
7604.21.00Alloy Hollow Multi-Void Profile
A multi-chamber hollow profile made from aluminum alloy, used for insulation frames. The profile has multiple voids and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its multi-chamber design distinguishes it from tubes or pipes.
7604.21.00Aluminum Alloy Greenhouse Frame Tube
> This is a hollow square profile extruded from corrosion-resistant aluminum alloy, engineered for greenhouse structural framing. Its hollow cross-section and alloy composition qualify it as a hollow profile under tariff item 7604.21.00.
7604.21.00Aluminum Alloy Hollow Channel Profile
A hollow U-channel profile extruded from aluminum alloy for window framing and supports. The profile has a hollow U-shaped cross-section and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its U-shape distinguishes it from tubes or pipes.
7604.21.00Aluminum Alloy Hollow L-Profile Extrusion
An aluminum alloy hollow L-profile extrusion, shaped as an angle and used in framing and edging applications. It is classified under tariff item 7604.21.00 as a hollow profile of aluminum alloys, per the chapter's subheading note 1(b) defining aluminum alloys.
7604.21.00Aluminum Alloy Hollow T-Profile
An aluminum alloy hollow T-profile, used in lightweight structural supports and trims. It is classified under tariff item 7604.21.00 as a hollow profile of aluminum alloys, with the alloy composition meeting the definition in subheading note 1(b).
7604.21.00Aluminum Alloy Hollow Z-Profile
An aluminum alloy hollow Z-profile, used for roofing purlins. It is classified under tariff item 7604.21.00 as a hollow profile of aluminum alloys, per the chapter's subheading note 1(b) defining aluminum alloys.
7604.21.00Aluminum Alloy HVAC Duct Profile
> This is a hollow rectangular profile extruded from aluminum alloy for HVAC ducting systems in commercial buildings. The hollow cross-section and alloy composition place it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
7604.21.00Aluminum Alloy Rectangular Hollow Section 3x1.5 inch
> This is a hollow rectangular profile extruded from aluminum alloy, commonly used in architectural facades and handrails. It qualifies under tariff item 7604.21.00 as a basic extruded hollow profile of alloyed aluminum.
7604.21.00Aluminum Alloy Round Pipe 4 inch Diameter
> This is an extruded hollow round profile made from aluminum alloy, intended for fluid conveyance or structural pillars in construction. Its hollow circular cross-section and alloy composition place it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
7604.21.00Aluminum Alloy Scaffolding Pipe Profile
> This is a heavy-duty hollow round profile extruded from high-strength aluminum alloy for modular scaffolding systems. Its hollow cross-section and alloy composition qualify it under tariff item 7604.21.00 as a hollow profile of aluminum alloys.
7604.21.00Aluminum Alloy Square Tube 2x2 inch
> This is a hollow square profile made from aluminum alloy, typically used in structural frameworks and machine guards. It qualifies under tariff item 7604.21.00 as a hollow profile of aluminum alloys, featuring a uniform cross-section.
7604.21.00Aluminum Alloy Telescopic Tube Profile
> This is a hollow cylindrical profile designed for sliding fit in telescopic applications like antenna masts. It is classified under tariff item 7604.21.00 as a basic extruded hollow alloy form prior to assembly.
7604.21.00Custom Hollow Hexagonal Aluminum Alloy Profile
A custom extruded hollow hexagonal profile made from aluminum alloy, used for specialized machinery frames. It is classified under tariff item 7604.21.00 as a hollow profile of aluminum alloys, with the alloy composition per subheading note 1(b).
7604.21.00Extruded Hollow Omega Profile Aluminum Alloy
An extruded hollow omega-shaped profile made from aluminum alloy, used for signage. It is classified under tariff item 7604.21.00 as a hollow profile of aluminum alloys, per subheading note 1(b) defining aluminum alloys.
7604.21.00High-Performance 2024 Hollow Aluminum Profile
A hollow profile made from 2024 aluminum alloy, a copper-alloyed heat-treatable alloy used in automotive and aerospace applications. The profile is extruded to a hollow shape for structural use and is classified under 7604.21.00 as a hollow profile of aluminum alloy. It is not a tube or pipe due to its irregular cross-section.
7604.21.00Marine-Grade 5083 Hollow Profile
A hollow profile made from 5083 aluminum alloy, a magnesium-alloyed alloy used in boat structures. The profile is extruded to a hollow shape for marine applications and is classified under 7604.21.00 as a hollow profile of aluminum alloy. Its irregular cross-section distinguishes it from tubes or pipes.
7604.29.002024-T3 Aluminum Alloy Bar
This is a 2024-T3 aluminum alloy bar with a round cross-section, heat-treated for high strength in aircraft and structural applications. It is classified under tariff item 7604.29.00 as an aluminum alloy bar with a round cross-section, with the copper and other elements exceeding the thresholds for unalloyed aluminum.