Understand the application advantages of A69 round bar aluminum alloy
A69 aluminum alloy is a common high-strength aluminum alloy that is mainly used in manufacturing various parts and components that need to withstand high loads and high stresses. Especially in the aviation field, A69 aluminum alloy has a wide range of applications. The following are the main features and applications of A69 aluminum alloy:
Chemical composition of A69:
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
Iron Fe: 0.40
Mechanical properties of A69 aluminum plate:
Tensile strength σb (MPa) 170～305
Conditions Yield strength σ0.2 (MPa)≥70
Elastic modulus: E 69.3-70.7Gpa
Annealing temperature: 345°C.
Quality characteristics
Density: 2.85g/cm3.
High strength: A69 aluminum alloy has high strength and hardness and can withstand greater stress and load. This enables it to meet the strength and stiffness requirements of aircraft components in the aviation field.
Lightweight: Compared with traditional steel, aluminum alloy has a lower density, so the use of A69 aluminum alloy can achieve lightweight parts and components, improving the fuel economy and performance of aircraft.
Good toughness and corrosion resistance: A69 aluminum alloy not only has high strength, but also has good toughness and corrosion resistance, allowing it to maintain durability in harsh environments. In the aerospace industry, aircraft components often need to have sufficient strength and lightweight properties to ensure aircraft safety and performance. Therefore, A69 aluminum alloy has become an ideal material choice in the aviation field, used to manufacture aircraft structural parts, shells and components.
In short, A69 aluminum alloy has the characteristics of high strength, lightweight, good toughness and corrosion resistance. It is especially suitable for manufacturing various high-load and high-stress parts and components, especially in aviation. applications in the field.