3105 aluminum plate sheet
The 3105 aluminum plate sheet is a popular alloy within the 3xxx series known for its excellent corrosion resistance, moderate strength, and exceptional workability. This aluminum alloy is widely used in industries that require lightweight, durable, and versatile sheet metal components.
3105 aluminum plate sheet belongs to the family of aluminum-manganese alloys, offering stability against environmental installation at a competitive cost. Its remarkable strength combined with good corrosion resistance makes it ideal for both indoor and outdoor applications. It can be formed, fabricated, and welded with ease, making it a balanced material choice for multiple manufacturing scenarios.
Features
- Enhanced Corrosion Resistance: Excellent resistance to corrosion in both atmospheric and various chemicals, especially in marine environments.
- Moderate Strength: Better strength compared to pure aluminum (1000 series), suitable for structural applications where alloy strength is needed.
- Good Workability: Superior workability including ease of rolling, bending, stamping, and machining.
- Weldability: Facilitates welding processes, expanding usability in fabricated products.
- Good Surface Finish: Can be easily anodized or painted, providing aesthetic versatility.
Chemical Composition
| Element | Percentage (%) | Description |
|---|---|---|
| Aluminum | 95.0 – 97.3 | Base metal |
| Magnesium | 0.1 – 0.5 | Enhances strength and corrosion resistance |
| Manganese | 0.3 – 0.7 | Improves mechanical properties and resistance to corrosion |
| Silicon | 0.3 max | Imparts added strength and oxidation resistance |
| Iron | 0.7 max | Considered an impurity, limited content to ensure ductility |
| Copper | 0.1 max | May improve hardness and strength in small amounts |
| Zinc | 0.15 max | Trace quantity typically, affects corrosion resistance slightly |
| Others | 0.05 max | Trace elements, maintained low for alloy balance |
Technical Specifications
| Property | Specification / Value |
|---|---|
| Density | 2.71 g/cm³ |
| Tensile Strength | 165 – 215 MPa |
| Yield Strength | 90 – 145 MPa |
| Elongation at Break | 8 – 12% |
| Hardness (Brinnell) | 40 – 55 HB |
| Thermal Conductivity | 138 – 170 W/m·K |
| Electrial Conductivity | 20 - 30 % IACS |
| Melting Point | 570 – 640 °C |
Applications
3105 aluminum plate sheet is versatile and widely used in areas requiring lightweight and corrosion resistance properties, including:
- Architectural Panels & Roofing: Due to its weather-resistant imperfections and paint adherence.
- Home Appliances: Used for surfacing refrigerators, washing machines, and microwave ovens, delivering an attractive finish and durability.
- Signage: Its smooth surface supports excellent painting and printing.
- Transportation: Manufacture of body panels in close-tolerance mass production, enhances fuel efficiency through weight reduction.
- Storage Tanks and Pressure Vessels: Specific due to its good chemical corrosion resistance.
- Automotive Parts: For catalyst carriers, heat exchangers, and structural components demanding lightweight and medium strength.
- Boatbuilding & Marine Fittings: Corrosion resistance lends well to marine environments without substantial loss in mechanical performance.
Fabrication & Processing Tips
- Preferable forming includes rolling and extrusion.
- Suitable for spot and arc welding.
- Cold working enhances strength but reduces ductility.
- Can be easily anodized to improve surface properties when used in exterior applications.
Standards and Specifications
3105 aluminum plate sheets conform to several industrial standards worldwide, including:
| Standard Name | Description |
|---|---|
| ASTM B209 | Aluminum and Aluminum-Alloy Sheet and Plate |
| AMS 4011 | Aluminum Alloy in Sheet Utility Form |
| ISO 6361 | Aluminum and aluminum alloys - Sheets and plates |
| EN AW-3105 | Aluminium alloy plate standard (EN 573-3) |
The 3105 aluminum plate sheet offers a striking combination of corrosion resistance, workability, and moderate mechanical strength, making it a reliable and economical choice in industries such as construction, transportation, household equipment, and marine applications. Its versatility, paired with ease of fabrication and finishing, solidifies its reputation as a go-to material for lightweight, sturdy, and lasting metal solutions.
For ordering, specific machining services, or custom sizing of 3105 aluminum sheets, please contact our sales support for professional consultation and competitive quotes.
