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1100 Aluminum Plate
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1100 aluminum plate is a commercially pure aluminum alloy with a minimum aluminum content of about 99.0%. It belongs to the non-heat-treatable aluminum series and is known for its excellent corrosion resistance, high thermal and electrical conductivity, and outstanding formability.
It is widely used in applications where strength is not the primary requirement, but workability and corrosion resistance are essential.
Chemical Composition (Typical)
1100 aluminum is essentially pure aluminum with very small amounts of alloying elements.
| Element | Content (%) | Function |
|---|---|---|
| Aluminum (Al) | ≥ 99.0 | Base metal |
| Copper (Cu) | ≤ 0.05 – 0.20 | Slight strength improvement |
| Iron (Fe) | ≤ 0.95 | Impurity control |
| Silicon (Si) | ≤ 0.95 | Improves casting stability |
| Other elements | ≤ 0.15 total | Trace impurities |
Mechanical Properties
- Low strength compared to alloyed aluminum grades
- Excellent ductility and formability
- Very good weldability
- Excellent corrosion resistance in most environments
- High thermal and electrical conductivity
Typical characteristics:
- Easy to bend, deep draw, and shape
- Suitable for complex forming operations
- Not suitable for high-load structural use
Key Performance Features
1. Excellent Corrosion Resistance
1100 aluminum performs very well in:
- Atmospheric environments
- Moisture and humidity conditions
- Mild chemical exposure
It naturally forms a protective oxide layer that prevents corrosion.
2. Outstanding Formability
- Extremely easy to process and shape
- Suitable for deep drawing and spinning
- Commonly used in complex fabrication processes
3. High Thermal and Electrical Conductivity
- Excellent heat transfer performance
- Widely used in heat exchange applications
- Good electrical conductivity for industrial components
4. Low Strength but High Workability
- Not designed for structural load-bearing use
- Ideal for lightweight and non-stress applications
- Performs well in forming-intensive manufacturing
Common Applications of 1100 Aluminum Plate
1. Chemical and Food Equipment
- Storage tanks for chemical substances
- Food processing equipment
- Packaging and handling systems
2. Heat Exchange and Thermal Systems
- Heat exchangers
- Radiator components
- Cooling system parts
3. Electrical and Industrial Applications
- Electrical conductors and busbars
- Cable shielding components
- Transformer parts
4. Architectural and Decorative Use
- Interior decorative panels
- Lightweight cladding
- Reflective surfaces and signage
5. General Fabrication
- Deep-drawn components
- Lightweight housings
- Industrial enclosures
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