2618 is a large-scale aluminum forged alloy that is widely used in various industries due to its excellent mechanical properties. This alloy belongs to the aluminum-copper-magnesium alloy series and contains a significant amount of copper, magnesium, and other strengthening elements.
Chemical composition
The chemical composition of 2618 is as follows: copper (1.5-2.0%), magnesium (1.9-2.7%), silicon (0.1-0.25%), iron (0.9% max), manganese (0.1% max), zinc (0.1% max), titanium (0.05% max), and other trace elements.
Mechanical properties
The mechanical properties of 2618 are impressive. It has high strength, good toughness, and excellent resistance to corrosion and fatigue. Its tensile strength ranges from 470MPa to 580MPa, while its yield strength is between 350MPa to 480MPa. The elongation of 2618 is 10% to 12%, with a Brinell hardness range of 115 to 140.
Applications of 2618 aluminum die forgings
2618 aluminum forged alloy has extensive applications in various fields. It is widely used in the aerospace industry to manufacture aircraft parts such as engine components, landing gears, and wing skins. This is because of its high strength-to-weight ratio, which can ensure the safety and reliability of aircraft.
In the automotive industry, 2618 is used to make critical engine components such as pistons, connecting rods, and crankshafts. These parts are designed to withstand high temperatures and pressures while providing superior performance and durability. 2618's high stiffness and fatigue resistance make it an ideal material for high-performance automotive applications.
In addition to the aerospace and automotive industries, 2618 aluminum forged alloys are used in various applications, including marine, defense, and sports equipment manufacturing. Marine hardware, pressure vessels, and other components that need to be lightweight and durable are typically made from 2618.
In conclusion, 2618 is an excellent aluminum forged alloy that offers high strength, good toughness, and excellent resistance to corrosion and fatigue. Due to its exceptional mechanical properties, it has become a preferred material for manufacturing aircraft and automotive components, marine hardware, and other high-performance equipment.