2618 aluminium alloy is a versatile material that is widely used in the aerospace and automotive industries. This alloy is known for its excellent strength, toughness, and corrosion resistance, making it an ideal choice for a variety of applications. In this article, we will introduce 2618 aluminium alloy drop-forged parts, including its chemical composition, mechanical properties, characteristics, and applications.
Chemical Composition
The chemical composition of 2618 aluminium alloy is as follows:
- Copper (Cu): 1.9-2.7%
- Silicon (Si): 0.8-1.2%
- Iron (Fe): 0.7% max
- Magnesium (Mg): 1.3-1.8%
- Manganese (Mn): 0.1% max
- Chromium (Cr): 0.04-0.14%
- Zinc (Zn): 0.1% max
- Titanium (Ti): 0.05-0.15%
- Other Elements: 0.05% max each, 0.15% max total
Mechanical Properties
2618 aluminium alloy has excellent mechanical properties, including high strength, good toughness, and excellent fatigue resistance. The typical mechanical properties of 2618 aluminium alloy forged parts are shown below:
- Tensile Strength: 620 MPa (90 ksi)
- Yield Strength: 450 MPa (65 ksi)
- Elongation: 10%
- Reduction of Area: 20%
- Fatigue Strength: 190 MPa (27.5 ksi)
Characteristics
2618 aluminium alloy forged parts have several unique characteristics that make them an ideal choice for many applications. These characteristics include:
- High Strength-to-Weight Ratio: 2618 aluminium alloy has a high strength-to-weight ratio, making it an ideal choice for weight-sensitive applications.
- Excellent Corrosion Resistance: This alloy has excellent corrosion resistance, even in harsh environments.
- Good Toughness: 2618 aluminium alloy forged parts offer excellent toughness and can withstand high-stress applications without cracking or breaking.
- Excellent Fatigue Resistance: This alloy can resist fatigue failure in high-cycle applications, making it an ideal choice for critical components.
Applications of 2618 aluminium alloy forgings
2618 aluminium alloy forged parts are used in a variety of applications, including:
- Aerospace: This alloy is commonly used in aircraft and spacecraft components, including engine parts, wing and fuselage structures, and other critical components.
- Automotive: 2618 aluminium alloy forged parts are used in high-performance racing engines, suspension components, and other high-stress applications in the automotive industry.
- Industrial: This alloy is used in industrial applications such as high-pressure vessels, valves, and other components that require high strength and toughness.
Conclusion
In conclusion, 2618 aluminium alloy is an excellent material for drop-forged parts, offering high strength, toughness, and corrosion resistance. With its unique characteristics, this alloy is widely used in the aerospace, automotive, and industrial sectors. Its excellent mechanical properties and high fatigue resistance make it an ideal choice for high-stress applications.