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2618 Aluminum Plate

Temper: T6/T61/T651 suitable for high temperature/high stress

2618 aluminum is a high-strength aluminum alloy primarily used in applications requiring excellent mechanical properties, especially in high temperature and high stress environments.

Table of Contents
  1. What is Aluminum Grade 2618?
  2. 2618 Aluminum Plate Characteristics
  3. 2618 Aluminium Alloy Thick Sheet Specifications
  4. 2618 Aluminum Product Forms
  5. 2618 Aluminum Mechanical Properties
  6. 2618 Aluminum Plate Performance
  7. 2618 aluminum plate uses
  8. 2618 Aluminum Processing
  9. Heat treatment process steps of 2618A aluminum alloy
  10. 2618A 2618 Aluminum Plate Chemical Composition
  11. 2618a Aluminum Alloy
  12. Typical 2618 Aluminum
  13. What is the difference between 4032 and 2618 Aluminum?

What is Aluminum Grade 2618?

2618 aluminum is a high-strength aluminum alloy primarily used in applications requiring excellent mechanical properties, especially in high temperature and high stress environments. It is commonly used in aerospace and military applications as well as internal combustion engine components.

2618 aluminum plate is a high-strength aluminum alloy plate with excellent mechanical properties and high temperature resistance. This alloy is commonly used in applications in high-temperature environments, such as aerospace and engine manufacturing.

2618 aluminum plate

2618A Aluminum (Aluminum 2618) is a highly ductile and strong aluminum alloy containing both copper and magnesium. Alloy 2618A has good corrosion resistance, good machinability, and the ability to absorb large amounts of extreme heat with minimal damage. These properties make Aluminum Alloy 2618A (Aluminum 2618) an excellent metal for use in aerospace and defense components and high-performance automotive sports applications.

2618 aluminum alloy has excellent strength and hardness while maintaining stable performance at high temperatures. It is commonly used to make high-pressure cylinders, pistons and other parts that need to withstand high temperatures and pressures. 2618 aluminum plate also has good corrosion resistance, allowing it to perform well in various harsh environments.

2618A aluminum plate standard

2618 Aluminum Plate Characteristics

It has good machinability and good corrosion resistance under atmospheric conditions. Components subject to high operating temperatures benefit from the performance characteristics of 2618A.

Aluminum Grade 2618

2618 Aluminium Alloy Thick Sheet Specifications

Alloy Series 2series
Alloy 2618
Temper T351 T651
T (MM) max.250 mm
W(MM) max.3300 mm
L(MM) max.38000 mm

2618 Aluminum Product Forms

2618 aluminum alloy generally comes in many forms, including sheets for structural and mechanical components.

2618 Aerospace Grade Aluminum Forging

Aerospace-grade aluminum forgings made from 2618 alloy are used in a variety of critical components in aircraft, spacecraft, and other aerospace applications. The manufacturing process of forgings involves shaping aluminum into the desired shape through controlled heating and compression.

These forgings can be used for parts such as landing gear components and structural components that require high strength and heat resistance.

2618 2618A Aerospace Grade Aluminum Sheet Plate

2618A 2618 aviation aluminum plate has the characteristics of high strength, high corrosion resistance, high machinability and high thermal stability. It is widely used in manufacturing aircraft structures, turbine engines, rocket engines and other components.

2618 Aircraft Aluminum Rod

Aerospace-grade aluminum rods made from 2618 alloy are used in a variety of aerospace and aircraft applications. These rods are commonly used to construct structural components, supports, and other components that require high strength, high temperature resistance, and durability.

2618 Aluminum Pistons

2618 aluminum pistons are commonly used in high-performance and racing engines and certain aerospace applications. These pistons are designed to withstand the high temperatures and pressures found in internal combustion engines. They are known for their excellent strength-to-weight ratio, heat resistance, and durability. Aluminum's lightweight properties help reduce reciprocating mass, helping to improve engine efficiency and performance.

2618 Aluminum Packing

2618 Aluminum Mechanical Properties

Property Typical Value
Tensile Strength 360 - 400 MPa (52, 000 - 58, 000 psi)
Yield Strength ≥ 280 MPa (41, 000 psi)
Elongation at Break 8% - 10%
Brinell Hardness (HB) 95 - 110 HB
Fatigue Strength Excellent
Modulus of Elasticity ~70 GPa (10, 000 ksi)
Shear Strength ~240 MPa (35, 000 psi)
Impact Strength Good

2618 Aluminum Plate Performance

Machinability

AL 2618 has excellent processing characteristics. Heat treated (aging) conditions produce a smoother finish than annealed or water quenched conditions.

Forming

2618 aluminum has good hot formability and cold formability.

Welding

Resistance welding can be accomplished satisfactorily. The heat input from other welding methods may be harmful to the alloy, so traditional fusion welding methods should not be used.

Heat treatment

Solution heat treatment is performed at 985 F for a period of time to allow for thorough heating and solution. For heavy duty sections this could be up to 24 hours. This heating is followed by water quenching. Annealing and age hardening heat treatments are also possible.

Forging

Hot forging is performed in the 970°F to 700°F range by first preheating the material to 970°F.

Thermal processing

2618 aluminum alloy can be easily hot-worked in a temperature range of 660 to 700 F.

Cold working

2618 aluminum alloy has good formability and is easy to cold work under solution heat treatment or annealing conditions.

Annealing

Cold working may require annealing at 725°F for 4 hours followed by slow cooling (usually furnace cooling).

Ageing

Aging Heat Treatment (T 61) First solution at 980 F for up to 24 hours (depending on cross-section size), then quenched in boiling water, then aged at 390 F for up to 20 hours (again at least 5 hours) depending on cross-section size ) and air cooling.

Tempering

Not suitable for 2618 aluminum alloy

Hardening

Hardened by cold working and aging heat treatment to T 61 conditions. See "aging."

2618 aluminum plate uses

2618 Aluminum Processing

2618 aluminum is solution treated and artificially aged to achieve T6 condition, or controlled stretching is added to achieve T6511 condition. The maximum operating temperature of 2618A can reach 300°C, and it can still maintain its mechanical strength well at around 200°C and above.

Heat treatment process steps of 2618A aluminum alloy

1. Solid solution treatment

2. Timeliness treatment

2618A 2618 Aluminum Plate Chemical Composition

Weight% Alloy 2618 USA Alloy 2618A EAA
Al Rem Rem
Si 0.10-0.25 0.15-0.25
Fe 0.9-1.3 0.9-1.4
Cu 1.9-2.7 1.8-2.7
Mn - 0.25 max
Mg 1.3-1.8 1.2-1.8
Ni 0.9-1.2 0.8-1.4
Zn 0.10 max 0.15 max
Ti 0.04-0.10 0.20 max
Zr + Ti - 0.25 max
Other Each 0.05 max 0.05 max
Others Total 0.15 max 0.15 max

2618a Aluminum Alloy

Aluminum alloys 2618 and 2618A are similar, but they also have differences, mainly related to their composition and properties. Here are the main differences between the two:

2618a Aluminum Alloy Composition

Aluminum Alloy 2618A: The "A" designation usually indicates a modified or improved version of the alloy. The exact composition of 2618A may vary from manufacturer to manufacturer, but some alloying elements may be slightly adjusted to enhance specific properties.

What are the Properties of Aluminum 2618A?

2618A: The "A" designation indicates that it may have certain modifications to improve specific performance or characteristics. These modifications may include changes in strength, ductility, or other performance attributes.

2618a Aluminum Alloy Applications

2618 is a proven alloy used in demanding applications where strength, heat resistance, and fatigue resistance are critical.

2618A is typically developed as an improved or specialized version of 2618, and its applications may vary based on specific modifications to the alloy.

While 2618 and 2618A are both high-strength aluminum alloys used in demanding applications, the "A" designation indicates that 2618A may have changes in composition or properties compared to the standard 2618 alloy.

2618a Aluminum Alloy

Typical 2618 Aluminum

2618 T6/T61/T651 Aerospace Grade Aluminum Components

Aerospace Components: 2618 is widely used in a variety of components in the aerospace industry, including

The high strength and high temperature resistance of 2016 aluminum make it ideal for these applications.

2618 Aluminum for Internal Combustion Engine Components

2618 aluminum alloy is commonly used to manufacture high-performance pistons and piston pins for internal combustion engines, especially high-performance and racing engines.

2618 Aluminum for High-Performance Racing

Due to its strength, heat resistance, and lightweight properties, 2618 aluminum is popular in racing applications, including high-performance engines and racing components.

2618A aluminum is popular in motorsports applications including racing engine components, pistons, chassis components and applications requiring better performance at higher temperatures.

2618 Marine Grade Aluminum Components

The corrosion resistance and excellent fatigue resistance of 2618 aluminum alloy make it suitable for marine applications, such as marine engine parts and marine components subject to high loads.

High-Stress Mechanical Components

Used for various mechanical components subjected to high stress, such as crankshafts, connecting rods, transmission components, and other industrial equipment in heavy machinery.

Pressure Vessels

Due to its strength and resistance to high pressure, 2618 is used in the manufacture of certain pressure vessels used in industrial processes.

Sports Equipment

In the manufacture of sports equipment, such as high-performance bicycle frames and components, lightweight materials with good strength are required.

2618 Automotive Aluminum for Components

While 2618 is more common in racing and high-performance vehicles, it may also be used in specific automotive parts that require high strength and high temperature resistance.

2618 Defense and Military Aluminum

Defense and Military: Various military applications, including the production of military vehicles and aircraft components.

Specific applications for 2618 aluminum alloy may vary based on manufacturer requirements, required properties of the part, and engineering considerations. This alloy is favored in applications where strength, heat resistance, and fatigue resistance are critical.

Typical 2618 Aluminum Plate

What is the difference between 4032 and 2618 Aluminum?

Aluminum alloys 4032 and 2618 are both high-strength aluminum alloys used in demanding applications, but they have differences in their composition and properties. Here's a comparison of these two alloys:

Composition

4032 Aluminum Alloy:

Aluminum (Al): Approximately 88.4%

Silicon (Si): Approximately 11.5%

Other Elements: Contains small amounts of iron (Fe), copper (Cu), manganese (Mn), magnesium (Mg), and other trace elements.

2618 Aluminum Alloy:

Aluminum (Al): Approximately 91.1%

Copper (Cu): Approximately 1.9%

Iron (Fe): Approximately 1.7%

Magnesium (Mg): Approximately 1.3%

Other Elements: Contains small amounts of zinc (Zn), manganese (Mn), silicon (Si), titanium (Ti), chromium (Cr), and trace amounts of other elements.

Properties

4032 Aluminum Alloy

4032 is often referred to as a silicon-aluminum alloy. It is known for its excellent wear resistance, which makes it suitable for piston applications in internal combustion engines. It also offers good thermal properties and is capable of retaining strength at elevated temperatures.

2618 Aluminum Alloy:

2618 is a high-strength aluminum alloy known for its strength, good corrosion resistance, and excellent fatigue resistance. It is used in high-stress and high-temperature applications, particularly in aerospace components and internal combustion engine pistons.

Applications

4032 is commonly used in applications where wear resistance is essential, such as pistons in internal combustion engines. Its silicon content provides improved wear properties.

2618 is used in applications where high strength, heat resistance, and fatigue resistance are critical. It is suitable for aerospace components and high-performance pistons.

The main difference between 4032 and 2618 aluminum alloys is their composition and resulting properties.

The choice between these alloys depends on the specific requirements of the application.

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