Aluminium Profile

1. Introduction to Aluminium Profile Extrusions

Aluminium profile (aluminum extrusion profile) is one of the most versatile metal materials for construction, machinery, automation, furniture and industrial framing. Through hot extrusion technology, raw aluminum billets are shaped into dozens of fixed cross-section profiles, divided into solid bar profiles, hollow tube profiles, and special structural custom extrusions.

This full catalog covers every mainstream aluminium profile shape in industrial production, including solid bars, hollow tubes, slot profiles, U channels, and L angle aluminum extrusions, with clear dimension marking standards for each type. All shapes can be manufactured with different aluminum alloy grades to match strength, corrosion resistance and machining demands.

2. Most Common Aluminum Alloy Grades for Aluminium Profiles

Each aluminium profile shape can be produced with different aluminum alloys. Below are the most widely used extrusion alloy grades with core features and matching profile applications:

Alloy Grade	Core Features	Suitable Aluminium Profile Shapes	Typical Usage
6063	Excellent extrusion performance, easy anodizing, medium strength, low cost	T-slot slot, square tube II, angle bar, U channel, decorative solid bars & small tubes	Automation workbench frames, architectural decoration, curtain wall, handrail, furniture profiles
6061	Higher tensile strength, good weldability, heat treatable (T6), great for CNC machining	Round bar, hex bar, round tube, hex tube, square tube, triangle solid & tube bar	Machinery spare parts, CNC blanks, structural support frames, transport equipment, fixture jigs
6060	Smooth surface, ultra-suitable for polishing & coating, soft extrusion grade	Thin-wall square tube, decorative triangle bar, small angle trim	Indoor decorative frames, lighting profiles, thin-wall building trim
5052	Superior corrosion resistance, marine grade, moderate strength, non-heat treatable	Round tube, square tube, U channel, angle bar	Marine equipment, outdoor corrosion-resistant frames, chemical industry brackets
7075	Highest strength aluminum alloy, aircraft grade, high hardness	Solid round bar, hex bar, thick-wall hex tube, heavy-duty square tube	Aerospace parts, heavy mechanical locking shafts, high-load structural components

3. Solid Aluminium Bar Profiles (Solid Extruded Bars)

Solid aluminium bars are fully solid cross-section extrusions without hollow inner holes, widely used for machining parts, shafts, support rods, hardware blanks. Main available alloys: 6061, 7075, 6063.

3.1 Round Bar Aluminium Profile

• Cross-section: Perfect solid circle
• Core dimension labels: Diameter, Length
• Available Alloys: 6061-T6, 7075-T6, 6063
• Common applications: CNC machined parts, transport shafts, fixture pins, decorative solid rods
• Feature: Uniform round surface, easy turning & polishing

3.2 Square Bar Aluminium Profile

• Cross-section: Solid square
• Core dimension labels: Width, Length
• Available Alloys: 6061, 6063, 6060
• Common applications: Structural support blocks, mold bases, frame uprights, handrail cores

3.3 Triangle Bar Aluminium Profile

• Cross-section: Equilateral solid triangle
• Core dimension labels: Side length, Length
• Available Alloys: 6063, 6060, 6061
• Common applications: Anti-slip support strips, triangular structural brackets, decorative trim

3.4 Hex Bar Aluminium Profile (Hexagonal Bar)

• Cross-section: Solid regular hexagon
• Core dimension labels: A/F (Across Flats distance between parallel flat sides), Length
• Available Alloys: 6061-T6, 7075-T6
• Common applications: Hex fastener blanks, assembly locking shafts, mechanical fitting raw materials

4. Hollow Aluminium Tube Profiles (Hollow Extrusion Tubes)

Hollow aluminium tube profiles feature an inner hollow circular bore, lighter weight than solid bars while retaining structural strength, ideal for framing, piping, lightweight supports. All tube types mark OD (Outer Diameter), ID (Inner Diameter) and Length. Usual alloys: 6061, 6063, 5052, 7075 thick wall tubes.

4.1 Round Tube Aluminium Profile

• Outer shape: Round hollow tube
• Markings: OD (outer diameter), ID (inner bore diameter), Length
• Available Alloys: 6061, 6063, 5052, 7075
• Uses: Conveyance pipes, lightweight frame tubing, handrails, roller sleeves

4.2 Square Tube Aluminium Profile

• Outer shape: Square hollow tube with inner round hole
• Markings: Outer Width, ID, Length
• Available Alloys: 6061, 6063
• Uses: Machine guard frames, building railings, equipment support frames

4.3 Triangle Tube Aluminium Profile

• Outer shape: Triangular hollow extrusion with central round inner hole
• Markings: Outer Side length, ID, Length
• Available Alloys: 6061, 6063
• Uses: Lightweight triangular truss structures, aerospace lightweight brackets

4.4 Hex Tube Aluminium Profile (Hexagonal Hollow Tube)

• Outer shape: Hexagonal hollow tube with inner circular bore
• Markings: A/F flat-to-flat outer size, ID, Length
• Available Alloys: 6061-T6, 7075-T6
• Uses: High-strength lightweight machinery frames, locking sleeve assemblies

4.5 Square Tube II Aluminium Profile (Square Hollow Section)

Pure square hollow aluminium profile without inner round hole, marked with Outer Width, Wall Thickness, Length.

• Available Alloys: 6063, 6061, 6060
• Key advantage: Uniform wall thickness for structural load-bearing
• Applications: Construction curtain wall frames, warehouse racking, industrial equipment base frames

5. Special Structural Aluminium Extrusion Profiles

These irregular cross-section aluminium profiles are custom-designed for assembly, framing, and building structures, widely used in automation production lines, workshop frames, construction decoration. Most are mass-produced with 6063 alloy, high-load versions use 6061.

5.1 Slot Aluminium Profile (T-Slot Extrusion)

Classic industrial slot aluminum extrusion with protruding T-slot grooves on the surface.

• Structure: Flat main panel + vertical support rib + T-slot mounting grooves
• Available Alloys: 6063-T5 (standard), 6061-T6 (heavy load)
• Applications: Automation assembly line frames, workbenches, machine safety guards, equipment test stands
• Benefit: Quick bolt assembly without welding, flexible modular combination

5.2 Channel Aluminium Profile (U Channel / U Extrusion)

U-shaped aluminium channel profile with two parallel vertical flanges and a flat base.

• Dimension marks: Overall width, flange height, extrusion length
• Available Alloys: 6063, 5052 (outdoor anti-corrosion)
• Applications: Glass railing frames, cable troughs, sliding guide rails, wall trim edging

5.3 Angle Aluminium Profile (L Angle Extrusion)

90-degree L-shaped aluminium angle bar, two perpendicular flat sides.

• Dimension marks: Two side widths, extrusion length
• Available Alloys: 6063, 6061, 5052
• Applications: Construction corner reinforcement, frame connection brackets, shelf edge supports, wall cladding trim

6. Key Advantages of All Aluminium Profile Shapes & Alloy Options

• Lightweight & High Strength: Aluminium’s low density reduces transport & installation cost while maintaining rigid structure; switch 6063/6061/7075 alloys to adjust strength grade
• Corrosion Resistant: Natural oxide layer + optional anodizing, powder coating; 5052 alloy provides extra marine anti-rust performance for outdoor use
• Easy Machining & Fabrication: Cut, drill, bend, weld, CNC process all aluminium profile shapes; 6061 & 7075 are optimal for precision machining
• Modular Assembly: Slot, channel, angle profiles connect fast with standard fasteners, mainly produced in easy-extrusion 6063 alloy
• Customizable Sizes & Alloys: All bar & tube aluminium profiles support custom length, wall thickness, cross-section modification, and alloy grade switching per project demand

7. Common Industrial Applications for Aluminium Profiles By Alloy

• Automation Equipment: 6063 T-slot slot aluminium profile workbenches, machine guards; heavy load frames use 6061 alloy
• Construction & Architecture: 6063 square tube, angle bar, U channel for curtain walls, railings, trim; coastal projects adopt 5052 anti-corrosion alloy
• Mechanical Machining: 6061 / 7075 round bar, hex bar solid aluminium profiles for CNC spare parts
• Transport & Logistics: Lightweight 6061 round/hex tube frames for transport racks
• Aerospace & High Load: 7075 solid bars and thick-wall tubes for high-strength structural components
• Furniture & Decoration: 6060 / 6063 triangle bar, small square tube for decorative metal frames

8. FAQ for Aluminium Profile Shapes & Alloy Grades