2618 Aerospace Aluminum Plate Sheet

Standards : ASTM B209, AMS-QQ-A-250 Temper : T6, T651, T61

2618 aerospace aluminum sheet has high mechanical properties, including high yield strength and tensile strength, good fatigue resistance and excellent fracture toughness.

Table of Contents
  1. What is 2618 Aerospace Aluminum Plate, and Why is it Used in Aerospace Applications?
  2. Properties of 2618 Aerospace Aluminum Plate
  3. Top 10 Reasons to Choose 2618 Aerospace Aluminum Plate
  4. Mechanical Properties of 2618 Aerospace Aluminum Plate Sheet
  5. Typical 2618 Aircraft Aluminum Plate
    1. 2618 T6 Aircraft Aluminum Plate
    2. 2618 T61 Aircraft Aluminum Plate
    3. 2618 T62 Aircraft Aluminum Plate
    4. 2618 T651 Aircraft Aluminum Plate
    5. 2618 T652 Aircraft Aluminum Plate
  6. 2618 Aerospace Aluminum Plate Sheet Applications
    1. Structure
    2. Landing GearLanding
    3. Rocket and Spacecraft Components
    4. Engine Parts
  7. Chemical Composition 2618 Aluminum Plate
  8. Frequently Asked Questions (FAQ) about 2618 Aerospace Aluminum Plates

What is 2618 Aerospace Aluminum Plate, and Why is it Used in Aerospace Applications?

2618 aluminum is an alloy known for its high strength, excellent fatigue resistance, and good high-temperature performance. It is used in aerospace applications where these properties are essential, such as engine components and structural parts.

2618 Aerospace Aluminum is a high strength alloy commonly used in aerospace and military applications where strength and durability are critical.

2618 Aerospace Aluminum Plate

Aerospace aluminum plates and sheets made of 2618 aluminum are widely used in structural parts, pipe fittings, landing gear and other components in the aerospace industry. These plates and sheets are usually manufactured using advanced processing techniques such as hot rolling, cold rolling and annealing to obtain the desired properties and dimensions.

2618 aviation aluminum plate is used in various aerospace fields such as structural parts, landing gear, rocket parts, engine parts, etc. 2618 aluminum alloy typically adopts T6 tempering state, that is, solution heat treatment and artificial aging state. This state provides the optimal combination of strength, ductility and toughness for high stress applications.

Properties of 2618 Aerospace Aluminum Plate

  • High Tensile Strength
  • Excellent Fatigue Resistance, Corrosion Resistance
  • Good Processability and Ability to Maintain Mechanical Properties at Elevated Temperatures.
  • Low Density Helps Reduce the weight of Aerospace Components.

Top 10 Reasons to Choose 2618 Aerospace Aluminum Plate

2618 aerospace aluminum plates offer several advantages and benefits over other materials, particularly in specific aerospace applications. Here are some of the key advantages and benefits of using 2618 aluminum plates:

1. High Strength

2618 aluminum is known for its exceptional strength, making it suitable for applications where structural integrity and load-bearing capabilities are critical. It has a high tensile strength, which is advantageous in aerospace components subjected to heavy loads.

2. Excellent Fatigue Resistance

2618 aluminum exhibits excellent fatigue resistance, making it suitable for components that experience cyclic loading, such as aircraft landing gear and engine parts. It can withstand repeated stress without premature failure.

3. Corrosion Resistance

While not as corrosion-resistant as some other aluminum alloys like 7075, 2618 aluminum still offers reasonable corrosion resistance. It can be used in aerospace applications where exposure to moisture and environmental factors is a concern.

4. High Temperature Performance

2618 aluminum maintains its mechanical properties at elevated temperatures. This characteristic is valuable in aerospace applications where components are exposed to high temperatures, such as engine parts and exhaust systems.

5. Low Density

Aluminum is inherently lightweight, and 2618 aluminum maintains a relatively low density despite its high strength. This property is crucial in aerospace, where weight reduction is a primary goal to improve fuel efficiency and performance.

6. Weldability

2618 aluminum is weldable, allowing for the fabrication and repair of aerospace components. Proper welding techniques can be employed to join 2618 aluminum plates effectively.

7. Machinability

Compared to some other high-strength aluminum alloys, 2618 aluminum has good machinability. This makes it easier to shape and machine into complex aerospace components with tight tolerances.

8. Versatility

2618 aluminum is used in a variety of aerospace applications, including pistons, cylinder heads, and structural components in aircraft and rocketry. Its versatility stems from its combination of strength and temperature resistance.

9. Recyclability

Aluminum is highly recyclable, making it environmentally friendly. The ability to recycle 2618 aluminum plates aligns with sustainability and resource conservation goals in the aerospace industry.

10. Compliance with Industry Standards

2618 aluminum plates are produced to meet stringent aerospace industry standards and certifications, ensuring that they are suitable for critical aerospace applications and are compliant with safety regulations.

It's important to note that while 2618 aluminum offers these advantages, material selection in aerospace applications depends on specific requirements, including the design, environmental conditions, and performance expectations of the component. In some cases, other materials like titanium, composites, or different aluminum alloys may be more suitable. Engineers and designers carefully evaluate the properties of each material to choose the best fit for the intended application.

Mechanical Properties of 2618 Aerospace Aluminum Plate Sheet

Temper State Tensile Strength (MPa)
2618 T6 Aerospace Aluminum Plate 570
2618 T61 Aerospace Aluminum Plate 530
2618 T62 Aerospace Aluminum Plate 550
2618 T651 Aerospace Aluminum Plate 570
2618 T652 Aerospace Aluminum Plate 590
Temper State Yield Strength (MPa)
2618 T6 Aerospace Aluminum Plate 480
2618 T61 Aerospace Aluminum Plate 430
2618 T62 Aerospace Aluminum Plate 470
2618 T651 Aerospace Aluminum Plate 480
2618 T652 Aerospace Aluminum Plate 510
Temper State Elongation (%)
2618 T6 Aerospace Aluminum Plate 10
2618 T61 Aerospace Aluminum Plate 15
2618 T62 Aerospace Aluminum Plate 11
2618 T651 Aerospace Aluminum Plate 10
2618 T652 Aerospace Aluminum Plate 8
Temper State Hardness (Brinell)
2618 T6 Aerospace Aluminum Plate 155
2618 T61 Aerospace Aluminum Plate 145
2618 T62 Aerospace Aluminum Plate 150
2618 T651 Aerospace Aluminum Plate 155
2618 T652 Aerospace Aluminum Plate 160

Typical 2618 Aircraft Aluminum Plate

2618 T6 Aircraft Aluminum Plate

The most common state of 2618 aviation aluminum plate is T6, which is the state of solution heat treatment and artificial aging.

  • 2618 T6 offers the highest strength, ductility and toughness for high stress aerospace applications.
  • 2618 T6 Aircraft Aluminum is suitable for structural parts, landing gear, rocket parts, engine parts.
Property Value
Tensile strength 570 MPa
Yield strength 480 MPa
Elongation 10%
Hardness 155 Brinell

2618 T6 Aircraft Aluminum

2618 T61 Aircraft Aluminum Plate

2618 T61 This is a solution heat treatment condition followed by a low temperature stretching process.

  • 2618 T61 offers higher elongation and toughness than T6 while maintaining high strength.
  • 2618 T61 Aircraft Aluminum is suitable for aerospace applications requiring increased toughness, such as landing gear and structural members.
Property Value
Tensile strength 530 MPa
Yield strength 430 MPa
Elongation 15%
Hardness 145 Brinell

2618 T62 Aircraft Aluminum Plate

2618 T62 is a solution heat treatment condition followed by a controlled stretching process.

  • 2618 T62 This temper provides high strength and improved fracture toughness compared to T6.
  • 2618 T62 Aircraft Aluminum is suitable for aerospace applications requiring increased strength and toughness, such as rocket components.
Property Value
Tensile strength 550 MPa
Yield strength 470 MPa
Elongation 11%
Hardness 150 Brinell

2618 T651 Aircraft Aluminum Plate

2618 T651 is a stress relieved condition.

  • 2618 T651 offers improved dimensional stability and reduced residual stress compared to T6.
  • 2618 T651 Aircraft Aluminum is typically used in applications requiring tight tolerances such as structural components and engine components.
Property Value
Tensile strength 570 MPa
Yield strength 480 MPa
Elongation 10%
Hardness 155 Brinell

2618 T651 Aircraft Aluminum

2618 T652 Aircraft Aluminum Plate

2618 T652 is a stress-relieving state followed by a controlled stretching process.

  • 2618 T651 This temper provides high strength and improved fracture toughness compared to T651.
  • 2618 T652 is suitable for aerospace applications requiring increased strength and toughness, such as rocket components.
Property Value
Tensile strength 590 MPa
Yield strength 510 MPa
Elongation 8%
Hardness 160 Brinell

The choice of the state of 2618 aviation aluminum sheet depends on the specific application requirements, such as strength, toughness, dimensional stability, etc. T6 state is the most commonly used state of 2618 aviation aluminum plate, with high strength and excellent mechanical properties.

2618 Aerospace Aluminum Plate Sheet Applications

2618 aluminum is used in a range of aerospace applications, including piston engines, cylinder heads, structural components in aircraft and rocketry, and parts subjected to high mechanical and thermal loads.

Structure

Aerospace structural parts require high strength and stiffness, and 2618 aluminum sheet is the first choice because of its excellent mechanical properties.

  • Temper : T6, 2618 aluminum plate in T6 state due to its high strength, toughness and fatigue resistance.
  • They are used in wing skins, fuselage frames, spars, stringers and other critical components.

Landing GearLanding

Landing gear is a key component of an aircraft and requires high strength and wear resistance. 2618 aluminum plate is used to manufacture landing gear due to its excellent mechanical properties, corrosion resistance and wear resistance.

Rocket and Spacecraft Components

2618 aluminum plate is used to manufacture thrust chambers, nozzles and other rocket components, which require high strength, rigidity and thermal stability.

  • Temper : T651, 2618 aluminum plate in T61 state due to its high ductility and toughness,
  • Commonly used in missile and rocket components, these plates can withstand the high stresses and vibrations associated with missile and rocket launches.

Engine Parts

2618 aluminum plate is also used to manufacture engine parts such as pistons, connecting rods, cylinder heads, etc. Engine components require high strength, stiffness and thermal stability,

  • Temper : T651 or T652 condition, 2618T651, T652 aluminum has high strength, toughness and heat resistance.
  • It is often used in the manufacture of engine components such as pistons, connecting rods, and cylinder heads.

Chemical Composition 2618 Aluminum Plate

Element Minimum Maximum
Silicon (Si) 0.50 1.6
Iron (Fe) 0.10 -
Copper (Cu) 1.6 2.5
Manganese (Mn) 0.60 1.2
Magnesium (Mg) 1.9 2.7
Chromium (Cr) 0.04 0.35
Zinc (Zn) 0.10 -
Titanium (Ti) 0.10 -
Others (each) 0.05 -
Others (total) 0.15 -
Aluminum (Al) - Remainder

Frequently Asked Questions (FAQ) about 2618 Aerospace Aluminum Plates

1. Is 2618 Aluminum Plate Weldable?

Yes, 2618 aluminum is weldable, which allows for fabrication and repair of aerospace components. Proper welding techniques are employed to ensure strong and reliable welds.

2. How does 2618 Aluminum Compare to other Aerospace Aluminum Alloys like 7075 or 2024?

2618 aluminum offers superior strength and fatigue resistance compared to 2024, making it suitable for components under high cyclic loading. It has similar strength to 7075 but better high-temperature performance.

3. Are there any Limitations or Challenges when Using 2618 Aerospace Aluminum Plates?

While 2618 aluminum offers excellent properties, it may not be the best choice for every aerospace application. Its use depends on specific requirements, and factors like cost and availability can be considerations.

4. What Industry Standards and Certifications Apply to 2618 Aerospace Aluminum Plates?

2618 aluminum plates are produced to meet industry standards and certifications such as AMS (Aerospace Materials Specifications) and MIL (Military) specifications to ensure they meet safety and performance requirements for aerospace applications.

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Related Topics: Aerospace Aluminum Aircraft Aluminum

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