5383-H111 Aluminum vs. 5456-H111 Aluminum
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5383 H111 and 5456-H111 are both 5xxx series aluminum alloys, renowned for their excellent corrosion resistance, especially in marine and industrial applications. However, these two alloys have different properties that make them suitable for different uses.
- 5456-H111 is a high-strength alloy with excellent fatigue and shear strength, making it suitable for structural and high-stress applications. It is particularly beneficial in environments that require exceptional mechanical properties under stress.
- 5383-H111 has outstanding elongation and thermal properties, making it more suitable for applications that require high formability and thermal efficiency.
The choice between 5383-H111 and 5456-H111 depends on the specific requirements of the application, whether strength and fatigue resistance (5456-H111) or ductility and thermal performance (5383-H111) are more critical.
5383-H111 and 5456-H111 Aluminum Alloy Comparison Table
| Characteristics | 5383-H111 | 5456-H111 | Comparison |
| Strength | Relatively lower tensile and yield strength, suitable for applications with less strength requirements. | Higher tensile strength, yield strength, fatigue strength, and shear strength, suitable for high-strength applications. | 5456-H111 is stronger, especially suitable for applications requiring high fatigue and shear strength. |
| Ductility (Elongation) | High elongation at fracture, about 15%, suitable for applications requiring high formability. | Lower elongation at fracture, about 11%, less formable. | 5383-H111 is more ductile, suitable for forming processes. |
| Thermal Properties | Better thermal conductivity and higher service temperature, suitable for high-temperature environments. | Higher melting point but poorer thermal conductivity. | 5383-H111 excels in thermal conductivity and high-temperature resistance, while 5456-H111 is better at resisting high-temperature degradation. |
From this table, it is clear that 5456-H111 performs better in terms of strength, while 5383-H111 has advantages in ductility and thermal properties, making it suitable for different application scenarios.
5383-H111 Aluminum and 5456-H111 Aluminum Corrosion Resistance
Both alloys belong to the 5xxx series and offer excellent corrosion resistance, particularly when exposed to saltwater in marine environments. 5383-H111 and 5456-H111 have similar corrosion resistance, making them suitable for marine structures, ships, and offshore applications. However, the higher strength of 5456-H111 makes it more popular in some extreme environments.
5383-H111 Aluminum and 5456-H111 Aluminum Applications
| Aluminum Alloy Type | Description |
| 5383-H111 | 5383-H111 aluminum alloy, with its excellent elongation and thermal conductivity, is particularly suitable for applications where formability is critical. For example, in marine and industrial structures, 5383-H111 is widely used in components that require high formability, such as ship frames, chemical storage tanks, and pipe fittings. Additionally, its good balance of strength and ductility makes it perform excellently in heat exchangers and other equipment exposed to temperature fluctuations, able to withstand environmental and temperature changes over extended use. |
| 5456-H111 | 5456-H111 aluminum alloy, due to its higher tensile strength, yield strength, and fatigue resistance, is particularly suitable for high-strength structural applications. It is widely used in heavy machinery, offshore platforms, and other marine structural components that face extreme stress, providing the necessary mechanical performance and reliability. Additionally, 5456-H111 is also widely used due to its weldability, especially in welding applications where strength is a primary consideration, such as in the manufacturing and repair of heavy equipment. |
5383-H111 Aluminum and 5456-H111 Aluminum Weldability
Both alloys have good weldability but require proper attention to heat treatment and alloy elements to maintain their strength and corrosion resistance. However, due to its higher strength, 5456-H111 may require more controlled welding processes to avoid weakening the material around the weld zone.
5383-H111 Aluminum vs. 5456-H111 Aluminum Mechanical Properties
| Property | 5383-H111 Aluminum | 5456-H111 Aluminum |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | 68 |
| Elongation at Break, % | 15 | 11 |
| Fatigue Strength, MPa | 130 | 160 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus, GPa | 26 | 26 |
| Shear Strength, MPa | 190 | 200 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | 330 |
| Tensile Strength: Yield (Proof), MPa | 150 | 200 |
5383-H111 Aluminum vs. 5456-H111 Aluminum Thermal Properties
| Property | 5383-H111 Aluminum | 5456-H111 Aluminum |
| Latent Heat of Fusion, J/g | 390 | 390 |
| Maximum Temperature: Corrosion, °C | 65 | 65 |
| Maximum Temperature: Mechanical, °C | 200 | 190 |
| Melting Completion (Liquidus), °C | 650 | 640 |
| Melting Onset (Solidus), °C | 540 | 570 |
| Specific Heat Capacity, J/kg-K | 900 | 900 |
| Thermal Conductivity, W/m-K | 130 | 120 |
| Thermal Expansion, µm/m-K | 24 | 24 |
5383-H111 Aluminum vs. 5456-H111 Aluminum Electrical Properties
| Property | 5383-H111 Aluminum | 5456-H111 Aluminum |
| Electrical Conductivity: Equal Volume, % IACS | 29 | 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 97 | 97 |
5383-H111 Aluminum vs. 5456-H111 Aluminum Alloy Composition
| Element | 5383-H111 Aluminum | 5456-H111 Aluminum |
| Aluminum (Al), % | 92 to 95.3 | 92 to 94.8 |
| Chromium (Cr), % | 0 to 0.25 | 0.050 to 0.2 |
| Copper (Cu), % | 0 to 0.2 | 0 to 0.1 |
| Iron (Fe), % | 0 to 0.25 | 0 to 0.4 |
| Magnesium (Mg), % | 4.0 to 5.2 | 4.7 to 5.5 |
| Manganese (Mn), % | 0.7 to 1.0 | 0.5 to 1.0 |
| Silicon (Si), % | 0 to 0.25 | 0 to 0.25 |
| Titanium (Ti), % | 0 to 0.15 | 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.4 | 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.2 | 0 |
| Residuals, % | 0 | 0 to 0.15 |
Further reading: 5083 5383 O H112 Marine Grade Aluminum Bars 5456 5454 5754 Marine Grade Aluminum Bar 5383 Marine Grade Aluminum Plate Sheet 5456 Marine Grade Aluminum Plate Sheet Marine Grade Aluminum Round Bar 5754 5454 5456 5456 H111 Aluminum 5456 H112 Aluminum 5456 H116 Aluminum 5456 H32 Aluminum 5456 H321 Aluminum 5456 O Aluminum 5383 H112 Aluminum 5383 H321 Aluminum 5383 H116 Aluminum 5383 H34 Aluminum 5383 H32 Aluminum 5383 H111 Aluminum 5383 O Aluminum
