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What is aluminum plate, the thickness range of aluminum plate
**What is Aluminum Plate? Understanding Its Thickness Range and Applications**
Aluminum plate refers to aluminum materials that are thicker than 0.2mm but less than 500mm, with a width exceeding 200mm and a length shorter than 16 meters. These materials are often referred to as aluminum sheets or aluminum plates. With advancements in technology and larger machinery, we now see aluminum plates with widths reaching up to 600mm.
An aluminum plate is essentially a rectangular sheet that has been rolled and processed from aluminum ingots. It can be categorized into different types, including pure aluminum plates, alloy aluminum plates, thin aluminum plates, medium-thick aluminum plates, and embossed aluminum plates.
**Types of Aluminum Sheets**
1. **Based on Alloy Composition**:
- High-purity aluminum plate (made from high-purity aluminum with a purity level above 99.9%).
- Pure aluminum plate (composed mainly of pure aluminum).
- Alloy aluminum plate (contains a mix of aluminum and auxiliary metals like copper, manganese, silicon, and magnesium).
- Clad aluminum plate (a specialized material made by combining different materials).
- Aluminum-clad aluminum sheet (features a thin layer of aluminum on its surface for specific purposes).
2. **Based on Thickness**:
- Sheet (aluminum sheet) – 0.15–2.0mm
- Standard sheet (aluminum sheet) – 2.0–6.0mm
- Aluminum plate – 6.0–25.0mm
- Thick plate (aluminum plate) – 25–200mm
**Applications of Aluminum Plates**
Aluminum plates have diverse applications across multiple industries. Here are some common uses:
1. Lighting fixtures
2. Solar reflectors
3. Building exteriors
4. Interior decoration (ceilings, walls, etc.)
5. Furniture and cabinets
6. Elevators
7. Signs, nameplates, bags, and photo frames
8. Household appliances (refrigerators, microwaves, audio equipment, etc.)
9. Aerospace and military sectors, such as China’s large aircraft manufacturing, Shenzhou spacecraft series, and satellite projects
10. Machining of mechanical parts
11. Mold manufacturing
12. Chemical/insulation pipeline coatings
13. High-quality shipbuilding
**Classification of Aluminum Sheets**
The grades in aluminum alloys play a significant role. For instance, the 7075T651 aluminum plate belongs to the 7 series, which includes aluminum-zinc-magnesium alloys. Aluminum alloys are grouped into nine categories, with the 1st, 3rd, 5th, 6th, and 7th series being the most widely used.
- **Series 1**: Industrial pure aluminum
- **Series 2**: Aluminum-copper alloy
- **Series 3**: Aluminum-manganese alloy
- **Series 4**: Aluminum-silicon alloy
- **Series 5**: Aluminum-magnesium alloy
- **Series 6**: Aluminum-magnesium-silicon alloy
- **Series 7**: Aluminum-zinc-magnesium-copper alloy
- **Series 8**: Other alloys
- **Series 9**: Reserve alloys
**Chemical Composition and Properties**
Aluminum Al: Balance
Silicon Si: 0.25%
Copper Cu: 0.10%
Magnesium Mg: 2.2–2.8%
Zinc Zn: 0.10%
Manganese Mn: 0.10%
Chromium Cr: 0.15–0.35%
Iron Fe: 0.4%
Mechanical Properties:
- Tensile strength (σb): 170–305 MPa
- Conditional yield strength (σ0.2): ≥65 MPa
- Elastic modulus (E): 69.3–70.7 GPa
- Annealing temperature: 345°C
In conclusion, aluminum plates are not only versatile but also essential in modern industries. Their unique properties make them indispensable in both everyday products and cutting-edge technologies.