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7050 T7451 Aluminum Plate

The 7050 T7451 aluminum plate is a specially treated high-strength aluminum alloy, belonging to the 7050 series. This alloy is mainly used in applications requiring excellent strength and corrosion resistance, particularly in aerospace and other high-performance structures.

7050 T7451 is a high-strength aluminum alloy material widely used in aerospace, aviation, automotive, and other fields.

7050 aluminum is a high-performance heat-treatable alloy in the 7xxx series, widely used in aerospace and defense fields. In the T7451 temper, the alloy undergoes special treatment to enhance its stress corrosion cracking (SCC) resistance and exfoliation corrosion resistance, while still maintaining high strength and toughness. This makes it particularly suitable for thick plate applications such as fuselage frames, bulkheads, and wing skins, where thick sections and dimensional stability are crucial.

7050 T7451 aluminum plate

Temper (T7451)

  • T: Thermally treated.
  • 74: Indicates solution heat treatment followed by stress-relieving via stretching (1.5–3% permanent deformation) and artificial aging.
  • 51: Stress-relieved by stretching (prevents distortion during machining).
  • Key Benefits: Balances high strength with improved SCC resistance compared to T6 tempers.

What is 7050 T7451 material?

7050 T7451 aluminum is a high-performance aerospace-grade aluminum alloy in the T7451 temper. This temper is achieved through specific processes, including solution heat treatment, stress relief, and artificial over-aging stabilization. These processes optimize the material's mechanical properties, making it suitable for applications requiring a balance of strength, corrosion resistance, and toughness.

Advantages of 7050-T7451 Aluminum Plate

Advantage Description
Enhanced Corrosion Resistance 7050-T7451 aluminum plate significantly improves corrosion resistance, particularly resistance to stress corrosion cracking (SCC) and exfoliation, through T7451 tempering treatment. This heat treatment makes the alloy's microstructure more uniform, reducing the risk of localized corrosion, and enhancing its performance in harsh environments. In aerospace, marine, and other extreme conditions, 7050-T7451 aluminum plate can better resist corrosion, extending the service life of structural components and reducing maintenance needs and costs.
High Strength-to-Weight Ratio 7050-T7451 aluminum plate exhibits an excellent strength-to-weight ratio in the T7451 temper, making it suitable for structural components that require both high strength and lightweight properties. After tempering, the alloy's strength is significantly enhanced, allowing it to withstand larger loads and stresses while maintaining a low weight. This makes 7050-T7451 aluminum plate an ideal choice for aerospace, military, and transportation sectors, particularly for critical components such as aircraft wings and fuselage frames that need to bear heavy loads.
Excellent Machinability 7050-T7451 aluminum plate exhibits outstanding machinability in the T7451 temper. The heat treatment reduces residual stresses and improves dimensional stability, helping to maintain high-quality machining results during precision processing. This property is particularly important for components requiring high precision and smooth surface finishes, such as aerospace parts and mechanical structural components. It reduces the possibility of distortion and warping, improves machining accuracy, and thus increases production efficiency while lowering the rate of defects in the manufacturing process.

7050 T7451 Aluminum Plate Standards and Specifications

7050 aluminum alloy plate comes in two conditions.

  • T7451 (AMS 4050) offers better resistance to SCC and excellent exfoliation resistance, but with slightly lower strength.
  • T7651 (AMS 4201) provides the highest strength, good exfoliation corrosion resistance, and average SCC resistance.

Haomei Aluminum also offers 7050 round bars in the T74511 (AMS 4342) condition.

  • AMS: AMS 4050, AMS 4344.
  • ASTM: B209 (Plate/Sheet Standard).

7050 T7451 aluminum plate

7050-t7451 Aluminum Properties

High Strength

Among the 7050 aluminum variants, T7451 offers the second-highest strength.

Its strength is optimized through precise heat treatment and stress relief processes, enabling it to withstand heavy structural loads.

Excellent Corrosion Resistance

The artificial overaging in the T7451 state enhances resistance to stress corrosion cracking (SCC) and exfoliation corrosion.

This makes it ideal for environments with high humidity or exposure to saltwater.

Balanced Toughness

The T7451 temper provides improved fracture toughness, essential for critical aerospace and defense applications.

This balance of strength and toughness ensures durability under complex loading conditions.

Stress Relief Processing

The stress relief is achieved by stretching the material post-heat treatment.

This step minimizes residual stresses, reducing risks of warping during machining or service.

Dimensional Stability

Due to its low residual stress, the plate exhibits excellent dimensional stability after machining, making it ideal for precision manufacturing.

Machinability

The 7050-T7451 aluminum plate maintains good machinability after heat treatment, making it suitable for mechanical processing and forming.

7050 T7451 Aluminum Plate Superior to 7075 Alloy

  • Better stress corrosion cracking resistance in thick sections.
  • Higher strength retention in corrosive environments.
  • Reduced quench sensitivity (maintains performance in thicker plates).
Feature Description
7050 T7451 Aluminum Plate has better stress corrosion cracking resistance The stress corrosion cracking (SCC) resistance of 7050 T7451 aluminum plate is significantly superior to that of 7075 alloy, especially in thick sections. It has stronger corrosion resistance and can maintain stability in high-stress environments for a longer period. This feature makes 7050 T7451 aluminum plate more suitable for aerospace, military, and other high-demand industries when exposed to corrosive environments (such as marine atmospheres or chemical exposures).
7050 T7451 Aluminum Plate has higher strength retention in corrosive environments In corrosive environments, 7050 T7451 aluminum plate retains strength better than 7075 alloy. 7050 T7451 aluminum offers good corrosion resistance, maintaining higher strength and mechanical properties for a longer period in harsh conditions, which is critical for aerospace components or other structural parts exposed to moisture, salt spray, or chemicals. This property ensures better durability of 7050 T7451 aluminum plate in various corrosive environments.
7050 T7451 Aluminum Plate reduces quench sensitivity (maintains performance in thicker plates) 7050 T7451 aluminum plate has lower quench sensitivity compared to 7075 alloy in thick sections, thus maintaining excellent mechanical properties in thicker plates. 7075 alloy tends to develop internal stresses during the quenching process, leading to uneven performance in thick plates, whereas 7050 T7451 exhibits better stability during this process, enhancing the overall strength of thicker plates and reducing the risk of cracking caused by uneven quenching. This significantly improves product reliability and service life.

7050 t7451 Aluminum Plate Applications

Due to its high strength, excellent corrosion resistance, and good fracture toughness, 7050 T7451 aluminum plate is widely used in:

Application Area Description
Aerospace Structures: Fuselage frame, bulkheads, and wing skins, where high strength-to-weight ratio is crucial 7050 T7451 aluminum alloy plate is widely used in the aerospace industry due to its excellent strength-to-weight ratio. Its high strength allows it to withstand various stresses during flight, while its lightweight properties ensure fuel efficiency and payload capacity. Especially in critical areas such as fuselage frames, bulkheads, and wing skins, 7050 T7451 aluminum plate provides sufficient strength and toughness to meet the stringent requirements for high strength-to-weight ratios in aircraft, while also offering excellent corrosion resistance to adapt to high altitudes and harsh environments.
High-performance Industrial Applications: Environments requiring consistent mechanical properties and dimensional stability 7050 T7451 aluminum alloy plate also plays a significant role in high-performance industrial applications, particularly in environments that demand strict mechanical properties and dimensional stability. Its outstanding corrosion resistance and high strength make it an ideal choice for heavy machinery, tooling plates, and precision industrial parts. In these applications, 7050 T7451 aluminum plate can maintain long-term dimensional stability and consistent mechanical performance, ensuring the efficient operation of machinery and being less susceptible to external environmental influences.
Military: Helicopter rotor components and armored vehicles In military applications, 7050 T7451 aluminum alloy plate is widely used in the manufacture of helicopter rotor components and armored vehicles. Due to its excellent corrosion resistance and stress corrosion cracking resistance, it maintains its strength and structural integrity in extreme environmental conditions. These characteristics make 7050 T7451 aluminum alloy plate particularly suitable for military equipment parts that endure high impacts, heavy loads, and harsh climatic conditions, effectively enhancing the durability and operational capabilities of the equipment.
Marine: High-stress ship components 7050 T7451 aluminum alloy plate is widely used in the maritime industry, particularly in high-stress ship components, due to its high strength and corrosion resistance. It is commonly used in hull structures, ship frames, and other load-bearing components. 7050 T7451 aluminum plate can withstand the high impact forces and long-term marine environmental corrosion encountered during ship navigation, while ensuring long-term stability and safety of the structure. It is an essential material in the shipping industry and naval equipment.
Industrial: Heavy machinery and tooling plates In the industrial field, 7050 T7451 aluminum alloy plate is widely used in the manufacture of heavy machinery and tooling plates. Due to its high strength and good fracture toughness, it can withstand higher operational loads, making it suitable for structural components in various heavy industrial equipment and tools. 7050 T7451 aluminum plate provides long-lasting mechanical performance and stability in these applications, ensuring precision and reliability of equipment, and effectively resisting wear and fatigue.

Chemical Composition of 7050-T7451 Aluminum

The main chemical components of 7050 T7451 aluminum alloy include aluminum (Al), silicon (Si), magnesium (Mg), copper (Cu), zinc (Zn), and other elements. Aluminum is the primary component of the alloy, while silicon and magnesium are strengthening elements that increase the material’s strength and hardness. The addition of copper and zinc further enhances the material’s workability and wear resistance.

Component Wt. %
Al 87.3 - 90.3
Cr Max 0.04
Cu 2 - 2.6
Fe Max 0.15
Mg 1.9 - 2.6
Mn Max 0.1
Other, each Max 0.05
Other, total Max 0.15
Si Max 0.12
Ti Max 0.06
Zn 5.7 - 6.7
Zr 0.08 - 0.15

Aluminum 7050-T7451 Plate

7050 T7451 Aluminum Plate Typical Mechanical Properties

Material Temper Thickness Tensile Strength (ksi) Yield Strength (ksi) Elongation in 2" %
Alloy 7050 Plate (longitudinal) T7451 <2.0 74 64 10
Alloy 7050 Plate (longitudinal) T7451 2.0 -3.0 73 63 9
Alloy 7050 Plate (longitudinal) T7451 3.0 - 4.0 72 62 9
Alloy 7050 Plate (longitudinal) T7451 4.0 - 5.0 71 61 9

Stock of Haomei 7050 t7451 Aluminum Plate Sheet

Haomei Aluminum has aluminum plates in various sizes available for cutting, with fast delivery and competitive prices.

  • Regular stock thickness: 0.25", 0.375", 0.5", 0.625", 0.75", 1", 1.25", 1.5", 1.75", 2", 2.25", 2.5", 2.75", 3", 3.25", 3.5", 3.75", 4", 4.25", 4.5".
  • Regular stock specifications: 12" x 12", 12" x 18", 12" x 24", 24" x 24", 12" x 36", 24" x 36", 36" x 36", 36" x 48".
Products Thickness Size
0.25" x 12" x 12" 7050 T7451 Aluminum Plate 0.25" 12" x 12"
0.25" x 12" x 18" 7050 T7451 Aluminum Plate 0.25" 12" x 18"
0.25" x 12" x 24" 7050 T7451 Aluminum Plate 0.25" 12" x 24"
0.25" x 24" x 24" 7050 T7451 Aluminum Plate 0.25" 24" x 24"
0.25" x 12" x 36" 7050 T7451 Aluminum Plate 0.25" 12" x 36"
0.25" x 24" x 36" 7050 T7451 Aluminum Plate 0.25" 24" x 36"
0.25" x 36" x 36" 7050 T7451 Aluminum Plate 0.25" 36" x 36"
0.25" x 36" x 48" 7050 T7451 Aluminum Plate 0.25" 36" x 48"
0.375" x 12" x 12" 7050 T7451 Aluminum Plate 0.375" 12" x 12"
0.375" x 12" x 18" 7050 T7451 Aluminum Plate 0.375" 12" x 18"
0.375" x 12" x 24" 7050 T7451 Aluminum Plate 0.375" 12" x 24"
0.375" x 24" x 24" 7050 T7451 Aluminum Plate 0.375" 24" x 24"
0.375" x 12" x 36" 7050 T7451 Aluminum Plate 0.375" 12" x 36"
0.375" x 24" x 36" 7050 T7451 Aluminum Plate 0.375" 24" x 36"
0.375" x 36" x 36" 7050 T7451 Aluminum Plate 0.375" 36" x 36"
0.375" x 36" x 48" 7050 T7451 Aluminum Plate 0.375" 36" x 48"
0.5" x 12" x 12" 7050 T7451 Aluminum Plate 0.5" 12" x 12"
0.5" x 12" x 18" 7050 T7451 Aluminum Plate 0.5" 12" x 18"
0.5" x 12" x 24" 7050 T7451 Aluminum Plate 0.5" 12" x 24"
0.5" x 24" x 24" 7050 T7451 Aluminum Plate 0.5" 24" x 24"
0.5" x 12" x 36" 7050 T7451 Aluminum Plate 0.5" 12" x 36"
0.5" x 24" x 36" 7050 T7451 Aluminum Plate 0.5" 24" x 36"
0.5" x 36" x 36" 7050 T7451 Aluminum Plate 0.5" 36" x 36"
0.5" x 36" x 48" 7050 T7451 Aluminum Plate 0.5" 36" x 48"
0.625" x 12" x 12" 7050 T7451 Aluminum Plate 0.625" 12" x 12"
0.625" x 12" x 18" 7050 T7451 Aluminum Plate 0.625" 12" x 18"
0.625" x 12" x 24" 7050 T7451 Aluminum Plate 0.625" 12" x 24"
0.625" x 24" x 24" 7050 T7451 Aluminum Plate 0.625" 24" x 24"
0.625" x 12" x 36" 7050 T7451 Aluminum Plate 0.625" 12" x 36"
0.625" x 24" x 36" 7050 T7451 Aluminum Plate 0.625" 24" x 36"
0.625" x 36" x 36" 7050 T7451 Aluminum Plate 0.625" 36" x 36"
0.625" x 36" x 48" 7050 T7451 Aluminum Plate 0.625" 36" x 48"
0.75" x 12" x 12" 7050 T7451 Aluminum Plate 0.75" 12" x 12"
0.75" x 12" x 18" 7050 T7451 Aluminum Plate 0.75" 12" x 18"
0.75" x 12" x 24" 7050 T7451 Aluminum Plate 0.75" 12" x 24"
0.75" x 24" x 24" 7050 T7451 Aluminum Plate 0.75" 24" x 24"
0.75" x 12" x 36" 7050 T7451 Aluminum Plate 0.75" 12" x 36"
0.75" x 24" x 36" 7050 T7451 Aluminum Plate 0.75" 24" x 36"
0.75" x 36" x 36" 7050 T7451 Aluminum Plate 0.75" 36" x 36"
0.75" x 36" x 48" 7050 T7451 Aluminum Plate 0.75" 36" x 48"
1" x 12" x 12" 7050 T7451 Aluminum Plate 1" 12" x 12"
1" x 12" x 18" 7050 T7451 Aluminum Plate 1" 12" x 18"
1" x 12" x 24" 7050 T7451 Aluminum Plate 1" 12" x 24"
1" x 24" x 24" 7050 T7451 Aluminum Plate 1" 24" x 24"
1" x 12" x 36" 7050 T7451 Aluminum Plate 1" 12" x 36"
1" x 24" x 36" 7050 T7451 Aluminum Plate 1" 24" x 36"
1" x 36" x 36" 7050 T7451 Aluminum Plate 1" 36" x 36"
1" x 36" x 48" 7050 T7451 Aluminum Plate 1" 36" x 48"
1.25" x 12" x 12" 7050 T7451 Aluminum Plate 1.25" 12" x 12"
1.25" x 12" x 18" 7050 T7451 Aluminum Plate 1.25" 12" x 18"
1.25" x 12" x 24" 7050 T7451 Aluminum Plate 1.25" 12" x 24"
1.25" x 24" x 24" 7050 T7451 Aluminum Plate 1.25" 24" x 24"
1.25" x 12" x 36" 7050 T7451 Aluminum Plate 1.25" 12" x 36"
1.25" x 24" x 36" 7050 T7451 Aluminum Plate 1.25" 24" x 36"
1.25" x 36" x 36" 7050 T7451 Aluminum Plate 1.25" 36" x 36"
1.25" x 36" x 48" 7050 T7451 Aluminum Plate 1.25" 36" x 48"
1.5" x 12" x 12" 7050 T7451 Aluminum Plate 1.5" 12" x 12"
1.5" x 12" x 18" 7050 T7451 Aluminum Plate 1.5" 12" x 18"
1.5" x 12" x 24" 7050 T7451 Aluminum Plate 1.5" 12" x 24"
1.5" x 24" x 24" 7050 T7451 Aluminum Plate 1.5" 24" x 24"
1.5" x 12" x 36" 7050 T7451 Aluminum Plate 1.5" 12" x 36"
1.5" x 24" x 36" 7050 T7451 Aluminum Plate 1.5" 24" x 36"
1.5" x 36" x 36" 7050 T7451 Aluminum Plate 1.5" 36" x 36"
1.5" x 36" x 48" 7050 T7451 Aluminum Plate 1.5" 36" x 48"
1.75" x 12" x 12" 7050 T7451 Aluminum Plate 1.75" 12" x 12"
1.75" x 12" x 18" 7050 T7451 Aluminum Plate 1.75" 12" x 18"
1.75" x 12" x 24" 7050 T7451 Aluminum Plate 1.75" 12" x 24"
1.75" x 24" x 24" 7050 T7451 Aluminum Plate 1.75" 24" x 24"
1.75" x 12" x 36" 7050 T7451 Aluminum Plate 1.75" 12" x 36"
1.75" x 24" x 36" 7050 T7451 Aluminum Plate 1.75" 24" x 36"
1.75" x 36" x 36" 7050 T7451 Aluminum Plate 1.75" 36" x 36"
1.75" x 36" x 48" 7050 T7451 Aluminum Plate 1.75" 36" x 48"
2" x 12" x 12" 7050 T7451 Aluminum Plate 2" 12" x 12"
2" x 12" x 18" 7050 T7451 Aluminum Plate 2" 12" x 18"
2" x 12" x 24" 7050 T7451 Aluminum Plate 2" 12" x 24"
2" x 24" x 24" 7050 T7451 Aluminum Plate 2" 24" x 24"
2" x 12" x 36" 7050 T7451 Aluminum Plate 2" 12" x 36"
2" x 24" x 36" 7050 T7451 Aluminum Plate 2" 24" x 36"
2" x 36" x 36" 7050 T7451 Aluminum Plate 2" 36" x 36"
2" x 36" x 48" 7050 T7451 Aluminum Plate 2" 36" x 48"
2.25" x 12" x 12" 7050 T7451 Aluminum Plate 2.25" 12" x 12"
2.25" x 12" x 18" 7050 T7451 Aluminum Plate 2.25" 12" x 18"
2.25" x 12" x 24" 7050 T7451 Aluminum Plate 2.25" 12" x 24"
2.25" x 24" x 24" 7050 T7451 Aluminum Plate 2.25" 24" x 24"
2.25" x 12" x 36" 7050 T7451 Aluminum Plate 2.25" 12" x 36"
2.25" x 24" x 36" 7050 T7451 Aluminum Plate 2.25" 24" x 36"
2.25" x 36" x 36" 7050 T7451 Aluminum Plate 2.25" 36" x 36"
2.25" x 36" x 48" 7050 T7451 Aluminum Plate 2.25" 36" x 48"
2.5" x 12" x 12" 7050 T7451 Aluminum Plate 2.5" 12" x 12"
2.5" x 12" x 18" 7050 T7451 Aluminum Plate 2.5" 12" x 18"
2.5" x 12" x 24" 7050 T7451 Aluminum Plate 2.5" 12" x 24"
2.5" x 24" x 24" 7050 T7451 Aluminum Plate 2.5" 24" x 24"
2.5" x 12" x 36" 7050 T7451 Aluminum Plate 2.5" 12" x 36"
2.5" x 24" x 36" 7050 T7451 Aluminum Plate 2.5" 24" x 36"
2.5" x 36" x 36" 7050 T7451 Aluminum Plate 2.5" 36" x 36"
2.5" x 36" x 48" 7050 T7451 Aluminum Plate 2.5" 36" x 48"
2.75" x 12" x 12" 7050 T7451 Aluminum Plate 2.75" 12" x 12"
2.75" x 12" x 18" 7050 T7451 Aluminum Plate 2.75" 12" x 18"
2.75" x 12" x 24" 7050 T7451 Aluminum Plate 2.75" 12" x 24"
2.75" x 24" x 24" 7050 T7451 Aluminum Plate 2.75" 24" x 24"
2.75" x 12" x 36" 7050 T7451 Aluminum Plate 2.75" 12" x 36"
2.75" x 24" x 36" 7050 T7451 Aluminum Plate 2.75" 24" x 36"
2.75" x 36" x 36" 7050 T7451 Aluminum Plate 2.75" 36" x 36"
2.75" x 36" x 48" 7050 T7451 Aluminum Plate 2.75" 36" x 48"
3" x 12" x 12" 7050 T7451 Aluminum Plate 3" 12" x 12"
3" x 12" x 18" 7050 T7451 Aluminum Plate 3" 12" x 18"
3" x 12" x 24" 7050 T7451 Aluminum Plate 3" 12" x 24"
3" x 24" x 24" 7050 T7451 Aluminum Plate 3" 24" x 24"
3" x 12" x 36" 7050 T7451 Aluminum Plate 3" 12" x 36"
3" x 24" x 36" 7050 T7451 Aluminum Plate 3" 24" x 36"
3" x 36" x 36" 7050 T7451 Aluminum Plate 3" 36" x 36"
3" x 36" x 48" 7050 T7451 Aluminum Plate 3" 36" x 48"
3.25" x 12" x 12" 7050 T7451 Aluminum Plate 3.25" 12" x 12"
3.25" x 12" x 18" 7050 T7451 Aluminum Plate 3.25" 12" x 18"
3.25" x 12" x 24" 7050 T7451 Aluminum Plate 3.25" 12" x 24"
3.25" x 24" x 24" 7050 T7451 Aluminum Plate 3.25" 24" x 24"
3.25" x 12" x 36" 7050 T7451 Aluminum Plate 3.25" 12" x 36"
3.25" x 24" x 36" 7050 T7451 Aluminum Plate 3.25" 24" x 36"
3.25" x 36" x 36" 7050 T7451 Aluminum Plate 3.25" 36" x 36"
3.25" x 36" x 48" 7050 T7451 Aluminum Plate 3.25" 36" x 48"
3.5" x 12" x 12" 7050 T7451 Aluminum Plate 3.5" 12" x 12"
3.5" x 12" x 18" 7050 T7451 Aluminum Plate 3.5" 12" x 18"
3.5" x 12" x 24" 7050 T7451 Aluminum Plate 3.5" 12" x 24"
3.5" x 24" x 24" 7050 T7451 Aluminum Plate 3.5" 24" x 24"
3.5" x 12" x 36" 7050 T7451 Aluminum Plate 3.5" 12" x 36"
3.5" x 24" x 36" 7050 T7451 Aluminum Plate 3.5" 24" x 36"
3.5" x 36" x 36" 7050 T7451 Aluminum Plate 3.5" 36" x 36"
3.5" x 36" x 48" 7050 T7451 Aluminum Plate 3.5" 36" x 48"
3.75" x 12" x 12" 7050 T7451 Aluminum Plate 3.75" 12" x 12"
3.75" x 12" x 18" 7050 T7451 Aluminum Plate 3.75" 12" x 18"
3.75" x 12" x 24" 7050 T7451 Aluminum Plate 3.75" 12" x 24"
3.75" x 24" x 24" 7050 T7451 Aluminum Plate 3.75" 24" x 24"
3.75" x 12" x 36" 7050 T7451 Aluminum Plate 3.75" 12" x 36"
3.75" x 24" x 36" 7050 T7451 Aluminum Plate 3.75" 24" x 36"
3.75" x 36" x 36" 7050 T7451 Aluminum Plate 3.75" 36" x 36"
3.75" x 36" x 48" 7050 T7451 Aluminum Plate 3.75" 36" x 48"
4" x 12" x 12" 7050 T7451 Aluminum Plate 4" 12" x 12"
4" x 12" x 18" 7050 T7451 Aluminum Plate 4" 12" x 18"
4" x 12" x 24" 7050 T7451 Aluminum Plate 4" 12" x 24"
4" x 24" x 24" 7050 T7451 Aluminum Plate 4" 24" x 24"
4" x 12" x 36" 7050 T7451 Aluminum Plate 4" 12" x 36"
4" x 24" x 36" 7050 T7451 Aluminum Plate 4" 24" x 36"
4" x 36" x 36" 7050 T7451 Aluminum Plate 4" 36" x 36"
4" x 36" x 48" 7050 T7451 Aluminum Plate 4" 36" x 48"
4.25" x 12" x 12" 7050 T7451 Aluminum Plate 4.25" 12" x 12"
4.25" x 12" x 18" 7050 T7451 Aluminum Plate 4.25" 12" x 18"
4.25" x 12" x 24" 7050 T7451 Aluminum Plate 4.25" 12" x 24"
4.25" x 24" x 24" 7050 T7451 Aluminum Plate 4.25" 24" x 24"
4.25" x 12" x 36" 7050 T7451 Aluminum Plate 4.25" 12" x 36"
4.25" x 24" x 36" 7050 T7451 Aluminum Plate 4.25" 24" x 36"
4.25" x 36" x 36" 7050 T7451 Aluminum Plate 4.25" 36" x 36"
4.25" x 36" x 48" 7050 T7451 Aluminum Plate 4.25" 36" x 48"
4.5" x 12" x 12" 7050 T7451 Aluminum Plate 4.5" 12" x 12"
4.5" x 12" x 18" 7050 T7451 Aluminum Plate 4.5" 12" x 18"
4.5" x 12" x 24" 7050 T7451 Aluminum Plate 4.5" 12" x 24"
4.5" x 24" x 24" 7050 T7451 Aluminum Plate 4.5" 24" x 24"
4.5" x 12" x 36" 7050 T7451 Aluminum Plate 4.5" 12" x 36"
4.5" x 24" x 36" 7050 T7451 Aluminum Plate 4.5" 24" x 36"
4.5" x 36" x 36" 7050 T7451 Aluminum Plate 4.5" 36" x 36"
4.5" x 36" x 48" 7050 T7451 Aluminum Plate 4.5" 36" x 48"

Aluminum 7050-T7451 - ASM Material Data Sheet

Physical Properties Metric English Comments
Density 2.83 g/cc 0.102 lb/in³ AA; Typical
Aluminum 7050-T7451 Mechanical Properties
Hardness, Brinell 140 140 500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop 177 177 Converted from Brinell Hardness Value
Hardness, Rockwell A 51.6 51.6 Converted from Brinell Hardness Value
Hardness, Rockwell B 84 84 Converted from Brinell Hardness Value
Hardness, Vickers 162 162 Converted from Brinell Hardness Value
Ultimate Tensile Strength 524 MPa 76000 psi AA; Typical
Tensile Yield Strength 469 MPa 68000 psi AA; Typical
Elongation at Break 11 % 11 % AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity 71.7 GPa 10400 ksi AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poisson's Ratio 0.33 0.33
Fracture Toughness 28 MPa-m½ 25.5 ksi-in½ K(IC) in S-L Direction
Fracture Toughness 31 MPa-m½ 28.2 ksi-in½ K(IC) in T-L Direction
Fracture Toughness 35 MPa-m½ 31.9 ksi-in½ K(IC) in L-T Direction
Shear Modulus 26.9 GPa 3900 ksi
Shear Strength 303 MPa 44000 psi AA; Typical
Aluminum 7050-T7451 Electrical Properties
Electrical Resistivity 4.3e-006 ohm-cm 4.3e-006 ohm-cm
Aluminum 7050-T7451 Thermal Properties
CTE, linear 68°F 23 µm/m-°C 12.8 µin/in-°F AA; Typical; Average over 68-212°F range.
CTE, linear 250°C 25.4 µm/m-°C 14.1 µin/in-°F Average over the range 20-300ºC
Specific Heat Capacity 0.86 J/g-°C 0.206 BTU/lb-°F
Thermal Conductivity 157 W/m-K 1090 BTU-in/hr-ft²-°F
Melting Point 488 - 629 °C 910 - 1165 °F AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater
Solidus 488 °C 910 °F AA; Typical
Liquidus 629 °C 1165 °F AA; Typical
Aluminum 7050-T7451 Processing Properties
Annealing Temperature 413 °C 775 °F
Solution Temperature 477 °C 890 °F
Aging Temperature 121 - 177 °C 250 - 350 °F

Manufacturing Process of 7050 T7451 Aluminum

The manufacturing process of 7050 T7451 aluminum alloy mainly includes smelting, casting, heat treatment, and other stages.

Process Step Description
Smelting The manufacturing process of 7050 T7451 aluminum alloy begins with the smelting phase. The raw materials for the aluminum alloy are heated above their melting point and stirred to ensure thorough mixing of all components in the alloy. At the same time, slag removal is performed to eliminate impurities and ensure the final aluminum alloy has the desired chemical composition and purity. This process provides a high-quality molten aluminum for the subsequent casting.
Casting After smelting, the 7050 T7451 molten aluminum is poured into molds for casting and cooled into aluminum ingots. The cooling rate and the precision of the castings depend on the casting method used (e.g., sand casting, metal mold casting), which directly affects the aluminum alloy’s crystal structure and physical properties. The choice of casting process is crucial as it directly impacts the quality of the aluminum alloy.
Solution Heat Treatment The cast aluminum ingots enter the solution heat treatment stage. During this stage, the aluminum alloy is heated to a high temperature and held at that temperature for a certain period to ensure that the strengthening phases (such as MgZn₂) fully dissolve, forming a supersaturated solid solution. The ultimate goal of this heat treatment is to create the ideal conditions for subsequent aging treatment.
Rapid Cooling After the solution heat treatment, 7050 T7451 aluminum alloy is rapidly cooled to lock the dissolved state and place the alloy in a supersaturated solid solution. This step is critical because it ensures the complete dissolution of the strengthening phases and prepares the alloy for aging treatment.
Aging Treatment After solution heat treatment, the 7050 T7451 aluminum alloy enters the aging treatment stage. At this point, the alloy is heated to a lower temperature and held at that temperature for a period of time. During the aging process, the supersaturated solid solution begins to precipitate strengthening phases, forming fine precipitates. This process significantly increases the strength and hardness of the aluminum alloy.
Final Cooling and Finished Product After the aging treatment, the aluminum alloy gradually cools, and the precipitation of strengthening phases is complete. The strength and hardness of the material are significantly enhanced, making it suitable for high-performance structural applications in fields like aerospace. The final 7050 T7451 aluminum alloy has excellent mechanical properties, corrosion resistance, and high-temperature performance.

Quality Requirements for 7050 T7451 Aluminum

Quality Requirement Description
Appearance Quality 7050 T7451 aluminum alloy requires a smooth, flat surface without visible scratches, bubbles, or other surface defects. To ensure this, the surface of the aluminum alloy is typically polished to remove any flaws that may affect its appearance. Additionally, the surface must be free from oil, corrosion spots, and other contaminants that could affect the alloy’s appearance and performance.
Dimensional Accuracy The dimensions of 7050 T7451 aluminum alloy need to be strictly controlled to ensure they meet the design and application requirements. The dimensional tolerances of the alloy must be within allowable limits, and high-precision measurement equipment is used for inspection and adjustments to ensure that the length, width, thickness, and other dimensions of each aluminum part meet the standards.
Internal Quality 7050 T7451 aluminum alloy must have uniform composition and be free from internal defects such as cracks and slag inclusions. To ensure the internal quality of the alloy, non-destructive testing methods, such as ultrasonic testing, are often used to check for any significant internal defects that may affect the material’s mechanical properties and service life.
Chemical Composition Control The chemical composition of 7050 T7451 aluminum alloy must meet specific standards and specifications to ensure it has the desired mechanical properties, corrosion resistance, and thermal stability. During manufacturing, strict testing and control of the alloy’s chemical composition are required to avoid any non-conforming elements that could affect the quality and performance of the material.
Mechanical Properties 7050 T7451 aluminum alloy must have excellent mechanical properties, including high strength, good corrosion resistance, and crack propagation resistance. During manufacturing, the alloy’s heat treatment processes and composition ratios are optimized to ensure that its mechanical properties meet the demands of high-strength applications in aerospace and other fields.
Surface Treatment To improve the corrosion resistance and appearance quality of 7050 T7451 aluminum alloy, surface treatments such as anodizing and coating are often applied. This process helps enhance the alloy's resistance to oxidation while also improving its appearance, making it suitable for use in various environmental conditions.

These quality requirements ensure that 7050 T7451 aluminum alloy maintains good performance and service life in demanding fields such as aerospace, military, and other high-performance applications.

7050 t7451 Aluminum Plate Limitations

  • Higher cost compared to 7075.
  • Limited weldability.
  • Requires corrosion protection in marine/industrial environments.

This alloy is highly suitable for applications where strength, durability, and corrosion resistance are required in harsh environments. Be sure to refer to the manufacturer's datasheets for exact performance values based on plate thickness and processing.

7050 T7451 aluminum plate is a premium aerospace material designed for demanding applications. Its carefully balanced composition and optimized heat treatment produce a material that combines high strength, durability, and corrosion resistance, making it the ideal choice for critical structural components in modern aircraft and high-performance systems.

7050 T7451 is a high-strength aluminum alloy material, and its chemical composition, mechanical properties, and manufacturing processes all have strict standards and requirements. During manufacturing, thorough inspection and control are necessary to ensure the quality and reliability of the material.