A83 aluminum alloy high strength and corrosion resistance

A83 aluminum alloy belongs to the 7 series aluminum alloy. Its main alloy elements include zinc, magnesium, copper and other elements. This specific alloy composition design gives A83 alloy a series of excellent properties, including high strength and excellent corrosion resistance. The following are the main features of A83 aluminum alloy:

Chemical composition of A83:

Al: balance

Silicon: 0.40

Copper Cu: 0.10

Magnesium Mg: 2.6～3.6

Zinc Zn: 0.2

Manganese Mn: 0.50

Chromium Cr: 0.30< /p>

Iron Fe: 0.40

Mechanical properties of A83 aluminum plate:

Tensile strength σb (MPa) 170～305

Conditional yield strength σ0.2 (MPa)≥70

Elastic modulus: E 69.3-70.7Gpa

Annealing temperature: 345℃.

Quality characteristics

Density: 2.85g/cm3.

High strength: Among the 7 series aluminum alloys, A83 alloy has high strength and can meet the use requirements under various high load and high stress conditions. This makes it widely used in areas that require higher strength, such as the aerospace and automotive industries.

Excellent corrosion resistance: A83 aluminum alloy uses a specific alloy element ratio to give it excellent corrosion resistance. It can resist oxidation, corrosion and other chemical substances, and is suitable for applications in some harsh environments and corrosive media.

In addition, A83 aluminum alloy is also lightweight and has good heat treatment plasticity, making it widely used in aviation, aerospace, automobiles, shipbuilding, construction and other fields.