Aluminum 2017 vs 2024
2017 aluminum alloy is more suitable for applications that require higher corrosion resistance but do not require extreme strength, while 2024 aluminum alloy is suitable for applications where high strength and fatigue resistance are crucial.
Both 2017 and 2024 aluminum alloys are widely used in aerospace, transportation, and industrial fields. While both are high-strength aluminum alloys, they have significant differences in their performance characteristics.
Strength Comparison of Aluminum 2017 and 2024
| Property | 2017 Aluminum | 2024 Aluminum |
| Tensile Strength | Lower, suitable for applications with standard strength requirements | Higher, suitable for high-stress environments and high-strength applications |
| Fatigue Strength | Lower, suitable for structural components that do not require extreme strength | Higher, suitable for structural components under high stress and high load |
Ductility and Toughness Comparison of Aluminum 2017 and 2024
| Property | 2017 Aluminum | 2024 Aluminum |
| Elongation at Fracture | Lower, poor ductility, prone to cracking | Higher, better ductility and toughness, suitable for large deformation environments |
| Toughness | Poor, prone to brittle fracture | Better, effectively resists crack propagation, suitable for larger deformations |
Corrosion Resistance Comparison of Aluminum 2017 and 2024
| Property | 2017 Aluminum | 2024 Aluminum |
| Corrosion Resistance | Good, suitable for corrosive environments but still requires protective coating | Poor, usually requires more protective coatings to prevent corrosion |
Machinability and Weldability Comparison of Aluminum 2017 and 2024
| Property | 2017 Aluminum | 2024 Aluminum |
| Weldability | Good, maintains good strength after welding, but not as easy to weld as 6061 aluminum alloy | Poor, strength decreases after welding, typically used in pre-fabricated applications to minimize welding operations |
| Machinability | Good, suitable for most machining operations | Good, but strength loss after welding may affect certain machining operations |
Aluminum 2017 vs 2024 Mechanical Properties
| Property | 2017 Aluminum | 2024 Aluminum |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | 71 |
| Elongation at Break, % | 2.2 to 14 | 4.0 to 16 |
| Fatigue Strength, MPa | 92 to 130 | 90 to 180 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus, GPa | 27 | 27 |
| Shear Strength, MPa | 120 to 270 | 130 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 460 | 200 to 540 |
| Tensile Strength: Yield (Proof), MPa | 110 to 290 | 100 to 490 |
Aluminum 2017 vs 2024 Thermal Properties
| Property | 2017 Aluminum | 2024 Aluminum |
| Latent Heat of Fusion, J/g | 390 | 390 |
| Maximum Temperature: Mechanical, °C | 220 | 200 |
| Melting Completion (Liquidus), °C | 650 | 640 |
| Melting Onset (Solidus), °C | 510 | 500 |
| Specific Heat Capacity, J/kg-K | 880 | 880 |
| Thermal Conductivity, W/m-K | 150 | 120 |
| Thermal Expansion, µm/m-K | 23 | 23 |
Aluminum 2017 vs 2024 Electrical Properties
| Property | 2017 Aluminum | 2024 Aluminum |
| Electrical Conductivity: Equal Volume, % IACS | 34 | 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | 90 |
Aluminum 2017 vs 2024 Alloy Composition
| Element | 2017 Aluminum | 2024 Aluminum |
| Aluminum (Al), % | 91.3 to 95.5 | 90.7 to 94.7 |
| Chromium (Cr), % | 0 to 0.1 | 0 to 0.1 |
| Copper (Cu), % | 3.5 to 4.5 | 3.8 to 4.9 |
| Iron (Fe), % | 0 to 0.7 | 0 to 0.5 |
| Magnesium (Mg), % | 0.4 to 1.0 | 1.2 to 1.8 |
| Manganese (Mn), % | 0.4 to 1.0 | 0.3 to 0.9 |
| Silicon (Si), % | 0.2 to 0.8 | 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.25 | 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.25 | 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.25 | 0 to 0.2 |
| Residuals, % | 0 | 0 to 0.15 |
Applications of Aluminum 2017 and 2024
2017 aluminum alloy is more suitable for applications that require lower strength but higher corrosion resistance and good weldability. It is commonly found in corrosive environments such as interior structures of aircraft, vehicle frames, building facades, and industrial equipment.
2024 aluminum alloy, on the other hand, is more suitable for environments that demand high strength and fatigue resistance, such as aerospace, military, heavy-duty structures, and high-performance vehicles. Although its corrosion resistance is poor, it performs exceptionally well under extreme load conditions.
2017 Aluminum Alloy Applications
The characteristics of 2017 aluminum alloy make it ideal for use in environments where strength requirements are not extreme, particularly in corrosive environments. Its good corrosion resistance makes it particularly suitable for applications exposed to harsh environments for extended periods, while its good weldability makes it suitable for machining and assembly.
| Application Area | Description |
| Aerospace | Due to its good corrosion resistance, 2017 aluminum alloy is commonly used in non-structural components such as aircraft cabin interiors, seat frames, fuel systems, air conditioning systems, and internal components of the fuselage. These components do not require extreme strength but need to possess strong corrosion resistance to withstand prolonged exposure to humid and corrosive environments. Additionally, it is used in the manufacture of small aircraft and drones. |
| Transportation | In automotive, railway transportation, and shipbuilding, 2017 aluminum alloy is commonly used for vehicle bodies, frames, bridges, and ship components. Due to its good weldability, it is suitable for joining and assembling various mechanical components. Furthermore, its good corrosion resistance allows it to withstand exposure to rain and wind in humid environments, making it widely used in the manufacture of structural components that require long-term service, such as vehicle exteriors and ship hull frames. It is also suitable for producing medium to low-strength support structures and components. |
| Building Structures | In the construction industry, 2017 aluminum alloy is especially suitable for structural components exposed to the external environment. Its corrosion resistance makes it widely used in building facades, window frames, and balcony railings. Since external building structures are often exposed to climate changes and pollution, 2017 aluminum alloy effectively prevents corrosion caused by moisture or chemicals, ensuring the long-term stability of the building. Its good weldability facilitates assembly and processing. |
| Industrial Applications | In the industrial equipment field, 2017 aluminum alloy is commonly used in the manufacture of chemical equipment, storage containers, pipelines, and pressure vessels. Due to its corrosion resistance, it is suitable for use in environments where it contacts chemicals or operates in harsh conditions. It is also used in everyday mechanical products such as tool racks, support structures, and medium to low-strength components. With its good weldability, 2017 aluminum alloy is often used in components that require welding, providing advantages in assembly and manufacturing processes. |
2024 Aluminum Alloy Applications
2024 aluminum alloy, known for its high strength and excellent fatigue resistance, is widely used in fields that require the ability to bear large loads and high stresses. Although it has poor corrosion resistance and weaker weldability, its performance under extreme load conditions is exceptional.
| Application Area | Description |
| Aerospace | 2024 aluminum alloy is widely used in the aerospace industry, particularly in aircraft structures such as wings, fuselage, tail sections, and landing gear supports. These components need to withstand high strength, high fatigue loads, and large deformations, making 2024 aluminum alloy’s high tensile strength and excellent fatigue resistance the preferred material. It is especially suitable for critical structural components in commercial airplanes, military fighter jets, and aircraft, such as fighter jet fuselages and aircraft engine supports, where it maintains good performance under extreme working conditions. |
| Military Applications | 2024 aluminum alloy has extensive applications in the military field, particularly in weapon platforms, missiles, aircraft, and military transport aircraft structural components. Its high strength and fatigue resistance make it suitable for bearing extreme mechanical stresses, especially under high-speed flight and high-load operations. For example, 2024 aluminum alloy is used in missile components, military transport aircraft fuselages, and naval platforms, where it must remain stable and durable under long periods of high-load work. |
| High-Load Structures | 2024 aluminum alloy is used in the manufacture of structural components that must bear high loads and fatigue loads, such as bridge supports, heavy-duty transport equipment, and industrial machinery components. These applications require materials with extremely high strength and long-term fatigue resistance. The advantages of 2024 aluminum alloy stand out in these applications, which require materials that can withstand extreme conditions and high-load environments. For example, 2024 aluminum alloy is used in bridge and heavy equipment support components to ensure safety and stability under high-strength use. |
| Spacecraft and Satellites | 2024 aluminum alloy is used in the aerospace industry for manufacturing spacecraft and satellite shells, supporting frameworks, and other critical components. These components typically operate in extreme environments such as low temperatures, high vacuum, and intense radiation. 2024 aluminum alloy’s high strength and fatigue resistance allow it to maintain a long service life in these conditions, ensuring that spacecraft and satellites can endure various challenges under high-stress conditions. |
| High-Performance Vehicles | In the high-performance vehicle field, particularly in racing and aerospace transport vehicles, 2024 aluminum alloy is widely used in the manufacture of car bodies, chassis, and high-load structural components. As high-performance vehicles, such as race cars, need to endure significant stresses during high-speed driving, 2024 aluminum alloy’s excellent strength and fatigue resistance make it an ideal choice for body and chassis components. Additionally, these vehicles must maintain good fatigue resistance during long-term use, and 2024 aluminum alloy performs exceptionally well in such applications. |
