Updated by Reginald Davey 11/07/23
Aluminum 5050 alloy is a wrought type alloy with good resistance to many environmental conditions and corrosion. It has excellent workability and durability. This alloy is used in multiple industries to manufacture a wide range of components.
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The following datasheet will provide more details about aluminum 5050 alloy.
Chemical Composition
The following table shows the chemical composition of Aluminium / Aluminum 5050 alloy.
| Element |
Content (%) |
| Aluminium / Aluminum , Al |
98.6 |
| Magnesium, Mg |
1.4 |
Physical Properties
The physical properties of Aluminium / Aluminum 5050 alloy are outlined in the following table.
| Properties |
Metric |
Imperial |
| Density |
2.69 g/cm3 |
0.0971 lb/in³ |
Mechanical Properties
The mechanical properties of Aluminium / Aluminum 5050 alloy are tabulated below.
| Properties |
Metric |
Imperial |
| Elastic modulus |
70-80 Gpa |
10152-11603 ksi |
| Poisson’s ratio |
0.33 |
0.33 |
Thermal Properties
The thermal properties of Aluminium / Aluminum 5050 alloy are tabulated below.
| Properties |
Conditions |
| T (ºC) |
Treatment |
| Thermal conductivity |
191 W/mK |
25 |
H38 |
| Thermal expansion |
23.6 x 10-6/°C |
20-100 |
- |
Corrosion Resistance
Magnesium and chromium in the alloy enhance its corrosion resistance, making it ideal for applications that are exposed to weathering and salty marine environments. This makes aluminum 5050 alloy an ideal choice for durable, low-maintenance products in multiple industries.
Heat Resistance
UNS A95050 can withstand temperatures up to 300oC for extended periods of time. This is at no cost to its structural integrity and performance. As well as its impressive heat resistance, aluminum 5050 has good oxidation resistance. This adds further value to its use as an industrial alloy.
Due to its ability to withstand oxidation, there is no need for additional coatings on components constructed from this alloy. Moreover, this material property prolongs the lifetime of end products.
Heat Treatment
The wear resistance and strength of aluminum 5050 alloy can be improved using UNS A95050 heat treatment. This method employs high temperatures for a short period of time and is comparable to annealing. The material’s microstructure is changed, enhancing its resistance to fatigue cracking and corrosion.
Aluminum 5050 Alloy Equivalents
- ASTM B209
- ASTM B210
- ASTM B313
- ASTM B483
- ASTM B547
- ASTM B548
- SAE J454
Applications
Due to its versatility, aluminum 5050 alloy is used in a wide range of applications. One of its primary uses is in the automotive industry, where it finds application as a lightweight alloy for components such as hoods and doors.
An eminently workable material, aluminum 5050 is a popular alloy in the manufacturing industry, where it is worked into products with varying shapes and sizes. Its malleability, strength, and, importantly, cost-effectiveness make it a premier choice for low-cost and high-quality components.
Aluminum 5050 alloy has also seen increasing use in construction and home improvement in recent years due to its longevity and minimal maintenance needs, replacing many traditional construction materials.
In Summary
Aluminum 5050 alloy is a durable, workable, and versatile material with excellent thermal, oxidation, and corrosion resistance, making it an ideal choice for many important industrial applications. Several equivalents exist which are in common use in manufacturing, and research is ongoing into new variants of this important alloy.
More from AZoM: How is 2205 Duplex Stainless Steel Impacted by Heat Treatment?
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