How to choose aluminum square tube size based on space?
| Size: | Taille personnalisée | Wall Thickness: | 1.0 mm à 5.0 mm |
| Stain Resistant: | Oui | Moistureproof: | Oui |
| Advantage: | Respectueux de l'environnement | Length: | Standard 6 mètres / Longueur personnalisée disponible |
| Shape: | Rainure en T/canal en U/angle en L/personnalisé | Mechanical Strength: | Rapport résistance/poids élevé |
Profiled Aluminum Square Tubes: The All-Round Material for Modern Architectural Decoration
Profiled aluminum square tubes are long strip-shaped decorative profiles made from high-purity aluminum alloy through the supergravity extrusion molding process. They boast excellent hardness, straightness, and deformation resistance.
Core Characteristics:
- Lightweight material: Low density reduces building load-bearing pressure, facilitating transportation and installation.
- Superior strength: Hardness and straightness far exceed ordinary aluminum square tubes, with stable structure and no easy deformation.
- Wind and earthquake resistance: Special groove design enables firm connection with customized components, suitable for high-rise buildings and outdoor environments.
- Fire safety: Class A non-combustible material, high temperature resistant, with no fire hazards.
- Strong weather resistance: A natural oxide film forms on the surface, resisting acid-base corrosion and rust, with a service life of 15-20 years.

II. Detailed Classification and Specifications
1.Classification by Manufacturing Process
|
Type |
Forming Method |
Features |
Applicable Scenarios |
|---|---|---|---|
| Profiled aluminum square tubes | Extrusion molding with special aluminum ventilation materials | High hardness, good straightness, stable structure, strong wind resistance | Outdoor curtain walls, large public buildings, high-rise buildings |
| Aluminum plate square tubes | Continuous rolling or cold bending forming | Lower cost, easy installation, lighter weight | Indoor ceilings, commercial spaces, home decoration |
| U-shaped aluminum square tubes | Strip design with three-sided sealing | Good ventilation and exhaust, effective pipeline shielding | Indoor ceilings, corridors, feature walls |
2. Specification Parameters (Unit: mm)
Standard specification range:
- Bottom width: 20-400 (common: 50, 80, 100, 150)
- Height: 20-600 (common: 50, 100, 200)
- Wall thickness: 0.4-3.5 (0.6-1.2 recommended for indoor use, ≥1.5 for outdoor use)
Special specifications: Up to 300×150×3.5mm, meeting the needs of large-scale projects.
3. Classification by Cross-Section Shape
- Standard square tubes: Square or rectangular cross-section, simple and elegant.
- U-shaped square tubes: Groove design, ventilated and light-transmitting, suitable for hiding pipelines.
- V-shaped square tubes: Herringbone cross-section, enhancing spatial three-dimensional sense.
- Curved square tubes: Straight square tubes can be bent into curves through special processes to create a sense of flow.
Special-shaped square tubes: Customized design to meet personalized needs.

III. Surface Treatment Processes and Effects
Profiled aluminum square tubes offer diverse surface treatments to meet different design style requirements:
- Powder coating: Rich colors (over 60 standard colors), strong weather resistance, no easy fading.
- Fluorocarbon coating: Preferred for outdoor use, UV and acid-base resistant, with a color retention period of over 10 years.
- Wood grain transfer printing: Simulates natural wood texture, combining the warmth of wood with the durability of metal.
- Stone/marble grain: Enhances spatial luxury, suitable for high-end venues.
- Anodizing: Forms a natural oxide film, with high hardness and wear resistance.
- Electroplating treatment: Presents a metallic mirror effect, enhancing spatial grandeur.
IV. Comprehensive Analysis of Core Advantages
1. Space Shaping Advantages
- Visual extension: Linear arrangement stretches the sense of space and enhances the visual effect of floor height.
- Transparency and lightness: Open structure reduces spatial oppression and distributes light more evenly.
- Layer creation: Creates spatial rhythm through different spacing, heights, and arrangement methods.
- Guiding function: Straight-line arrangement guides sight and strengthens spatial orientation.

2. Functional Performance Advantages
|
Advantage |
Specific Performance |
Application Value |
|---|---|---|
| Fire safety | Class A non-combustible material, high temperature resistant, no toxic gas release when exposed to fire | Crowded places such as hospitals, schools, and shopping malls |
| Moisture and corrosion resistance | Aluminum alloy material + surface treatment, no mildew or rust | Bathrooms, kitchens, buildings in coastal areas |
| Acoustic optimization | Combination of punching design and sound-absorbing cotton, with a noise reduction coefficient (NRC) ≥0.7 | Open offices, restaurants, gymnasiums |
| Ventilation and heat dissipation | Open structure promotes air circulation and reduces spatial temperature | Equipment rooms, subway stations, swimming pools |
| Pipeline hiding | Can cover ceiling pipes and lines to maintain spatial tidiness | Commercial complexes, office buildings, underground garages |
3. Installation and Maintenance Advantages
- Simple and efficient: Independent unit design, no special tools required for installation and disassembly.
- Flexible adjustment: Keel spacing can be adjusted arbitrarily to adapt to different spatial needs.
- Low maintenance cost: Smooth surface, not easy to accumulate dust, only regular cleaning required.
- Long service life: 3-4 times that of wood materials, with maintenance cost only 1/5-1/10 of wood materials.
- Environmental protection and recyclability: Aluminum alloy materials can be 100% recycled and reused, complying with green building concepts.
