What is aluminum plate, the thickness range of aluminum plate
What is an Aluminum Plate and Its Thickness Range
An aluminum plate is a flat, rectangular material made from aluminum ingots through rolling and processing. It typically has a thickness greater than 0.2mm and less than 500mm, with a width over 200mm and a length under 16 meters. These plates are commonly referred to as aluminum sheets or aluminum plates depending on their dimensions. With the development of large-scale equipment, aluminum plates with a maximum width of up to 600mm are also becoming more common.Aluminum plates can be categorized into several types, including pure aluminum plates, alloy aluminum plates, thin plates, medium-thick plates, and patterned aluminum plates. They are widely used in various industries due to their lightweight, durability, and corrosion resistance.
Aluminum Sheets: Common Classification
1. Based on Alloy Composition:
- High-purity aluminum plate (made from aluminum with over 99.9% purity)
- Pure aluminum plate (mainly composed of pure aluminum)
- Alloy aluminum plate (formed by combining aluminum with other metals such as copper, manganese, silicon, magnesium, etc.)
- Clad or welded aluminum plate (created by bonding different materials together for specific applications)
- Aluminum-clad sheet (an aluminum sheet covered with a thin layer of aluminum for special purposes)
2. Based on Thickness (in mm):
- Sheet (aluminum sheet): 0.15–2.0
- Standard sheet (aluminum sheet): 2.0–6.0
- Aluminum plate: 6.0–25.0
- Thick plate (aluminum plate): 25–200
Applications of Aluminum Plates
Aluminum plates have a wide range of uses, including lighting systems, solar reflectors, building exteriors, interior decoration (such as ceilings and walls), furniture, elevator panels, signage, nameplates, photo frames, household appliances like refrigerators and microwave ovens, aerospace and military equipment (such as China's large aircraft and space missions), mechanical parts, mold manufacturing, chemical and insulation pipeline coatings, and high-quality shipbuilding.
Classification of Aluminum Sheets
Aluminum alloys are classified into different series based on their composition. For example, the 7075-T651 aluminum plate belongs to the 7 series, which consists of aluminum-zinc-magnesium-copper alloys. The main groups include 1, 3, 5, 6, and 7 series, while others are less commonly used in practical applications.
The categories are as follows:
- 1 series: Industrial pure aluminum
- 2 series: Aluminum-copper alloys
- 3 series: Aluminum-manganese alloys
- 4 series: Aluminum-silicon alloys
- 5 series: Aluminum-magnesium alloys
- 6 series: Aluminum-magnesium-silicon alloys
- 7 series: Aluminum-zinc-magnesium-copper alloys
- 8 series: Other alloys
- 9 series: Spare alloys
Chemical Composition and Properties
Typical composition includes: Aluminum (Al) as the base element, Silicon (Si) at 0.25%, Copper (Cu) at 0.10%, Magnesium (Mg) between 2.2–2.8%, Zinc (Zn) at 0.10%, Manganese (Mn) at 0.10%, Chromium (Cr) between 0.15–0.35%, and Iron (Fe) at 0.4%. The tensile strength ranges from 170–305 MPa, yield strength (σ0.2) is ≥65 MPa, and the elastic modulus is 69.3–70.7 GPa. Annealing temperature is around 345°C.
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