Architectural Aluminum Extrusions
High-Quality Architectural Extrusions From China – Always Delivered On Time
Aluminum profiles are widely used in modern architectural projects for a variety of applications, including doors and windows, structures, decoration, and curtain walls. Ya Ji Aluminum is a leading manufacturer of custom and standard aluminum profiles in China with 30 years of experience. We are ISO 13485 and ISO 9001:2015 certified.
We strive to provide our customers with standard and custom architectural aluminum profiles that meet their requirements and maintain high quality standards. Our team is fully committed to customer service and provides the fabrication services and secondary processing you need to ensure your project’s success.
Reduce manufacturing costs
We integrate aluminum extrusion, surface treatment, and deep processing to reduce the cost between different processing while meeting the project product requirements.
Professional service team
Our team includes sales and engineers. We provide not only fast quotes for your projects, but also design and manufacturing analysis, providing you with useful professional advice.
Reduce manufacturing costs
We integrate aluminum extrusion, surface treatment, and deep processing to reduce the cost between different processing while meeting the project product requirements.
Aluminum Extrusion Profiles for architectural applications
Aluminum extrusions are a favorite among architects. We maintain a stock of thousands of tooling options for a wide variety of applications. Our custom-shaped tooling process is cost-effective and offers shorter lead times than other manufacturing methods. This allows us to provide you with an extrusion product that perfectly matches your project’s needs.
Surface Finishing Of Aluminum Architectural Profile
Anodizing
Through the anodizing process, a dense and hard oxide film is formed on the surface of the aluminum profile, which has good adhesion and color consistency, and can achieve a variety of colors such as silver, champagne, black, and bronze.
Powder Coating
The powder is applied to the aluminum profile surface and cured at high temperature to form a hard coating. This gives the aluminum profile a variety of colors and surface textures (such as matte, sand texture, metallic effect, and wood grain transfer base).
We also offer surface finishes such as sandblasting, electroplating, electrophoresis, and wood graining, and support further processing such as CNC machining and bending.
Want to save costs without sacrificing quality and avoid the hassles of miscommunication? Located in China, we offer one-stop services to help you produce your aluminum component projects, reducing costs. We conduct comprehensive quality audits to ensure product quality.
How to Start Your Aluminum Architectural Extrusion Project
Get samples in sizes from 10mm x 10mm to 200mm x 200mm in as fast as 3 days, upload your drawing to check availability.
Upload CAD file
Upload your CAD drawing file. If it is a picture, we can draw it for you
Quote & Design Analysis
After receiving the drawing files, we will conduct DFM analysis and quick quotation for your project
Order Confirmation
Once you are satisfied with the sample, we will arrange full or batch production for you.
Parts Shipped
Once production is complete and quality inspection is passed, we will ship your project
What is Architectural Aluminum Extrusions
Architectural aluminum extrusions are aluminum profiles designed specifically for building construction applications. Produced using an extrusion process, these profiles can be formed into complex cross-sections to meet both structural and aesthetic requirements. Their lightweight, corrosion-resistant, and excellent formability make them ideal for a variety of architectural applications.
Architectural aluminum extrusions are used in a wide range of building environments, including:
- Curtain walls: Lightweight yet strong framing systems for modern building facades.
- Window and door frames: Durable and thermally efficient aluminum extrusions for residential and commercial windows.
- Balusters and handrails: Stylish modular security systems for balconies, stairways, and terraces.
- Awnings and blinds: Energy-saving shading solutions that reduce solar gain while enhancing exterior aesthetics.
Design Considerations for Architects and Engineers
Architectural aluminum extrusions offer vast flexibility, but effective application depends on sound engineering and design principles. Understanding key design factors ensures optimal performance, manufacturability, and longevity of aluminum profiles in architectural systems.
Extrusion Design Principles: Wall Thickness, Radii, and Tolerances
Efficient aluminum extrusion starts with mindful geometry:
Wall Thickness: Uniform wall thickness enhances structural integrity and reduces die stress during extrusion. Standard architectural profiles typically range from 1.5 mm to 4 mm, depending on load requirements.
Corner Radii: Generous internal radii facilitate material flow during extrusion and minimize stress concentration points.
Dimensional Tolerances: Profiles must conform to strict dimensional tolerances, especially when interfacing with glazing systems, gaskets, or mechanical hardware. Tighter tolerances may increase cost but improve fit and function.
Balancing Strength and Weight
Aluminum’s high strength-to-weight ratio is one of its defining advantages. Design optimization involves selecting the right alloy-temper combination (e.g., 6063-T5 for architectural use) and tailoring cross-sectional geometry to resist bending, deflection, or wind loads — all while minimizing material consumption. Advanced finite element modeling is often used to refine this balance.
Compatibility with Fabrication and Assembly
Architectural profiles must be designed for ease of machining, cutting, drilling, and joining:
Mechanical fasteners, brackets, and pressure plates must interface precisely with the extrusion geometry.
Modular slot systems enable prefabrication and on-site flexibility.
Integration of thermal breaks or multi-part profiles should be considered during the design stage to improve energy performance.
Surface Finishing Adaptability
Surface treatment is both functional and aesthetic. Proper profile design ensures compatibility with:
Powder Coating: Even coverage requires smooth transitions and appropriate drainage holes.
Anodizing: Profiles should avoid sharp edges or deep recesses that may lead to inconsistent oxide layer thickness.
Electrophoretic Coating (E-Coating): Used primarily in architectural applications for uniform, corrosion-resistant finishes.
Material Grades and Alloys for Architectural Applications
Selecting the right aluminum alloy is critical in achieving the desired balance of strength, corrosion resistance, formability, and finish quality in architectural systems. Among the most widely used grades for extrusion in architecture are 6063, 6061, and 6005A. Each offers unique mechanical and processing characteristics suited to specific applications.
6063 is the go-to alloy for curtain walls, window frames, and decorative elements due to its excellent surface finish and high anodizing quality.
6061 provides higher strength, making it suitable for structural framing or load-bearing elements.
6005A strikes a balance between the two, with better strength than 6063 and more formability than 6061, ideal for larger or more complex extrusions.
| Alloy | Typical Use | Tensile Strength (MPa) | Corrosion Resistance | Surface Finish Quality | Formability |
|---|---|---|---|---|---|
| 6063-T5 | Window frames, curtain walls, trims | 190–240 | Excellent | Very High (ideal for anodizing) | Excellent |
| 6061-T6 | Structural framing, brackets, load-bearing parts | 260–310 | Good | Moderate | Good |
| 6005A-T6 | Sunshades, rail systems, large extrusions | 250–290 | Very Good | Good | Moderate–Good |
FAQs about Architectural Aluminum Extrusions
How precise are aluminum extrusions?
Aluminum extrusions and their components can be produced to very precise tolerances, conforming to generally accepted “industry standard” dimensional tolerances. More complex components may require geometric dimensioning and tolerancing to specify intricate form-related details within the design. Typical tolerances are ± 0.1 mm, but achieving tighter tolerances requires more precise die design and extruder parameter adjustments.
Why is aluminium used in architecture?
Aluminium is known for its design flexibility. Due to its malleability, it can be moulded into a wide variety of shapes and sizes, enabling architects to create unique and customised designs. Aluminium is also lightweight yet strong, making it an excellent choice for high-rise structures.
What are the applications of aluminium in architecture?
Aluminium is widely used in building because of its intrinsic properties of lightness and corrosion resistance. Aluminum is used in external facades, roofs and walls, in windows and doors, in staircases, railings, shelves, and other several applications.
What are the engineering applications of aluminium?
Aluminium is widely used in transport, packaging, food and chemical processing, architecture, energy generation and electrical transmission. The specific alloy used depends on the specific properties needed.