5049-H24 Aluminum vs. 5754-H24 Aluminum
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5049 H24 and 5754-H24 are both aluminum alloys, belonging to the H24 temper, which means they have undergone strain hardening and partial annealing treatment, with their mechanical properties falling between the annealed (O) and full hard (H28) states. Although these two aluminum alloys have similar properties in many aspects, there are still some notable differences, particularly in terms of strength, elongation, and thermal conductivity.
Both 5049-H24 and 5754-H24 are high-performance aluminum alloys, and the choice between them depends on the specific application requirements. If the emphasis is on load-bearing capacity and strength, 5754-H24 should be chosen; if the focus is on formability and thermal conductivity, 5049-H24 would be the better option.
Comparison Table of 5049-H24 Aluminum and 5754-H24 Aluminum
Property | 5049-H24 Aluminum | 5754-H24 Aluminum |
Ultimate Tensile Strength | Similar | Similar |
Yield Strength | Lower | Higher |
Elongation at Fracture | High | Lower |
Thermal Conductivity | Slightly Higher | Slightly Lower |
Melting Point (Solidus) | Higher | Lower |
Modulus of Elasticity | Slightly Higher | Slightly Lower |
Ultimate Fracture Toughness | Slightly Higher | Slightly Lower |
Application Fields | Applications requiring higher ductility and thermal conductivity, such as heat exchangers, mechanical components, etc. | Applications requiring higher yield strength, such as structural components, automotive, and construction industries, etc. |
5049-H24 Aluminum vs. 5754-H24 Aluminum Mechanical Properties
Property | 5049-H24 Aluminum | 5754-H24 Aluminum |
Brinell Hardness | 70 | 70 |
Elastic (Young's, Tensile) Modulus, GPa | 69 | 68 |
Elongation at Break, % | 9.0 | 7.8 |
Fatigue Strength, MPa | 100 | 100 |
Poisson's Ratio | 0.33 | 0.33 |
Shear Modulus, GPa | 26 | 26 |
Shear Strength, MPa | 150 | 150 |
Tensile Strength: Ultimate (UTS), MPa | 260 | 260 |
Tensile Strength: Yield (Proof), MPa | 180 | 190 |
5049-H24 Aluminum vs. 5754-H24 Aluminum Thermal Properties
Property | 5049-H24 Aluminum | 5754-H24 Aluminum |
Latent Heat of Fusion, J/g | 400 | 400 |
Maximum Temperature: Mechanical, °C | 190 | 190 |
Melting Completion (Liquidus), °C | 650 | 650 |
Melting Onset (Solidus), °C | 620 | 600 |
Specific Heat Capacity, J/kg-K | 900 | 900 |
Thermal Conductivity, W/m-K | 140 | 130 |
Thermal Expansion, µm/m-K | 24 | 24 |
5049-H24 Aluminum vs. 5754-H24 Aluminum Electrical Properties
Property | 5049-H24 Aluminum | 5754-H24 Aluminum |
Electrical Conductivity: Equal Volume, % IACS | 35 | 33 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | 110 |
5049-H24 Aluminum vs. 5754-H24 Aluminum Alloy Composition
Element | 5049-H24 Aluminum | 5754-H24 Aluminum |
Aluminum (Al), % | 94.7 to 97.9 | 94.2 to 97.4 |
Chromium (Cr), % | 0 to 0.3 | 0 to 0.3 |
Copper (Cu), % | 0 to 0.1 | 0 to 0.1 |
Iron (Fe), % | 0 to 0.5 | 0 to 0.4 |
Magnesium (Mg), % | 1.6 to 2.5 | 2.6 to 3.6 |
Manganese (Mn), % | 0.5 to 1.1 | 0 to 0.5 |
Silicon (Si), % | 0 to 0.4 | 0 to 0.4 |
Titanium (Ti), % | 0 to 0.1 | 0 to 0.15 |
Zinc (Zn), % | 0 to 0.2 | 0 to 0.2 |
Residuals, % | 0 | 0 to 0.15 |
5049-H24 Aluminum vs. 5754-H24 Aluminum Applications
- 5049-H24: Due to its higher elongation at fracture and thermal conductivity, it is commonly used in applications that require good ductility and heat dissipation, such as mechanical components or heat exchangers that require high thermal conductivity.
- 5754-H24: Due to its higher yield strength, it is commonly used in situations that bear large mechanical loads, making it suitable for structural components and high-load applications in industries such as automotive, construction, and marine engineering.
5049 H24 Aluminum Applications
- Mechanical Components Requiring High Thermal Conductivity: Because 5049-H24 has high thermal conductivity, it is especially suitable for mechanical components that need rapid heat dissipation. These components are often exposed to high-temperature environments and need to effectively conduct heat to prevent overheating. Examples include engine parts, cooling systems, etc., where good heat management is required to ensure mechanical performance and safety.
- Heat Exchangers: 5049-H24 performs excellently in heat exchanger applications, especially in automotive, electronic devices, and other equipment requiring efficient heat dissipation. Its high thermal conductivity makes it an ideal material for heat exchangers, quickly transferring heat from the heat source to the surrounding environment, ensuring that the equipment maintains a safe operating temperature. Heat exchangers usually involve multiple cycles of heat exchange, so the material's thermal conductivity directly affects its efficiency.
- Applications Requiring High Ductility: The higher elongation at fracture of 5049-H24 makes it excellent for forming and processing. For example, in stamping, stretching, or deep processing applications, 5049-H24 provides more ductility to adapt to complex shapes and structural requirements. Common applications include body panels, aircraft parts, etc., as it is less likely to fracture during the forming process, improving production efficiency and product quality.
5754-H24 Aluminum Applications
- Structural Components Under Large Mechanical Loads: The higher yield strength of 5754-H24 makes it an ideal choice for structural components that bear large mechanical loads. In the automotive industry, 5754-H24 is commonly used in body structures, chassis parts, drive systems, etc., because these parts endure significant pressure and impact during operation and need materials with high tensile strength and yield strength. The high yield strength means 5754-H24 can withstand more external forces without permanent deformation, ensuring the safety and stability of vehicles.
- Load-Bearing Components in the Construction Industry: 5754-H24 is often used in load-bearing structural components in the construction industry, such as beams, columns, frames, etc. These components bear significant weight and pressure in buildings and must have high yield strength to ensure stability and reliability over time. 5754-H24 provides the ideal strength to resist external loads and reduce material fatigue.
- Marine Engineering Applications: In marine engineering, 5754-H24 is commonly used in hulls, offshore platforms, and marine structures that bear critical loads due to its higher yield strength. The harsh conditions of the marine environment require structural materials that can withstand immense water pressure, wind force, and other mechanical stresses. The high yield strength of 5754-H24 provides excellent impact resistance and corrosion resistance in marine applications, ensuring reliable operation for extended periods.
- Mechanical Components Under Large Loads: Due to its high yield strength, 5754-H24 is widely used in mechanical components that bear large loads. These components often need to withstand continuous force and load, such as engine mounts, drive shafts, connectors, etc. Using 5754-H24 ensures that these parts remain stable in high-pressure, high-load working environments, reducing the risk of material failure.
The characteristics of these two aluminum alloys give them irreplaceable advantages in different application fields. The high ductility and thermal conductivity of 5049-H24 make it outstanding in applications requiring good heat dissipation and ductility, while the high yield strength of 5754-H24 makes it more reliable in structural components that bear heavy loads.
Further reading: 5456 5454 5754 Marine Grade Aluminum Bar 5754 Marine Grade Aluminum Plate Sheet Marine Grade Aluminum Round Bar 5754 5454 5456
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