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Aluminum 5083
Material Type
Metal
Material Name
Aluminum 5083
Alternative Names
3.3547 | GM41 | A95083 | AIMg 4.5 Mn | Al Mg 4.5 Mn 0.7
Process Compatibility
CNC Milling, CNC Turning
introduction
Aluminum 5083 in CNC Machining
Aluminum 5083 is a corrosion-resistant, high-strength, non-heat-treatable alloy commonly used in CNC machining. It is commonly used in marine applications due to its resistance to saltwater corrosion.
Its machinability is good, but challenges may arise due to its high strength, necessitating appropriate tooling. Carbide tools, particularly those with coatings like TiN, are preferred for their durability. High cutting speeds are recommended to minimize tool wear and the use of coolant aids in dissipating heat. Secure clamping and proper chip control prevent workpiece deformation and tool breakage. Feeds and speeds should be optimized based on machining requirements, and tool path strategies like climb milling can enhance surface finishes.
The chemical composition of 5083 aluminum is specified as follows: Aluminium constitutes the balance of the alloy, while other elements are present in limited amounts. Chromium ranges from 0.05% to a maximum of 0.25%, copper is limited to 0.1%, iron to 0.4%, magnesium is between 4.0% and 4.9%, manganese ranges from 0.4% to 1.0%, silicon is limited to 0.4%, titanium to a maximum of 0.15%, and zinc is restricted to 0.25%.
Properties
Properties Table of Aluminum 5083
| MECHANICAL PROPERTIES | |
|---|---|
| Ultimate Tensile Strength | 317 MPa(46,000 psi) |
| Yield Strength | 227 MPa(33,000 psi) |
| Young's Modulus(Elasticity) | 72 GPa(10.4 x 10^6 psi) |
| Elongation at Break | 12 % |
| Physical Properties | |
| Corrosion Resistance | Excellent corrosion resistance, especially in marine environments |
| Magnetism | Non-magnetic |
| Weldability | Good Weldability with standard techniques such as MIG and TIG welding |
| Thermal Properties | |
| Maximum Service Temperature | Approximately 200-230°C (392-446°F) depending on conditions |
| Thermal Expansion Coefficient | 23.8 x 10^﹣6/°C(at 20-100°C) |
| Thermal Conductivity | 121-140W/(m·K) at 25°C (77°F) |
| Electrical Properties | |
| Electrical Resistivity | Approximately 0.049 ohm-cm(at 20°C) |
| ESD Safety | Aluminum is generally considered ESD safe |
TECHNOLOGY OVERVIEW
Basic Knowledge of Aluminum 5083
What is Aluminum 5083?
Aluminum 5083 is a strong and corrosion-resistant alloy belonging to the 5xxx series of aluminum alloys. Composed primarily of magnesium, it has excellent strength and weldability.
Widely used in marine applications, such as shipbuilding and offshore structures, Aluminum 5083's corrosion resistance is particularly valuable in harsh environments. Its alloy makeup includes magnesium (4.0% to 4.9%), manganese (0.4%), chromium (0.15%), and trace elements. It is known for retaining strength post-welding.
This alloy is popular for its structural integrity in various fabrication processes. With good formability, it finds use in transportation equipment and pressure vessels.
Advantages of Aluminum 5083
- Excellent corrosion resistance, ideal for marine applications
- High strength, suitable for structural components in various industries
- Weldable, facilitating fabrication and construction of complex structures
- Easily formable through processes like extrusion, rolling, and forging
- Maintains strength at low temperatures, suitable for cryogenic applications
- Lightweight, contributing to overall weight reduction in structures and components
- Machinable with proper tooling and techniques
- Non-heat-treatable, eliminating the need for heat treatment processes
Applications of Aluminum 5083
- Ship hulls and decks
- Aircraft fuselage sections and wing panels
- Offshore platforms
- Automotive and rail components
- Cryogenic storage tanks
- Architectural facades and panels
- Pressure vessels
- Machined components
- Military vehicle parts
- Sporting goods like bicycle frames
FAQ
Machining Aluminum 5083 Buying FAQ
6061 aluminum is heat-treatable, corrosion-resistant, and offers good weldability with medium to high strength. On the other hand, 5083 aluminum, a non-heat-treatable alloy, excels in marine environments with strong weldability and high strength.
Yes, 5083 aluminum is commonly used in marine applications and is considered marine-grade aluminum. Its excellent corrosion resistance, particularly in seawater, makes it suitable for shipbuilding and other marine structures.
No, aluminum 5083 is a non-heat-treatable alloy; its strength is obtained through cold working.
Other Materials
Aluminum 7075
Aluminum 7075 is a strong and lightweight alloy often chosen because of its high strength-to-weight ratio. It is widely used in CNC machining
More info about Aluminum 7075
Aluminum 6082
Aluminum 6082 is known for being highly resistant to corrosion and possessing exceptional strength.It is a popular choice for applications under stress.
More info about Aluminum 6082
Aluminum 6061
Aluminum 6061 (CNC) is the most popular aluminum alloy. It has good strength-to-weight ratio, excellent machinability and natural corrosion resistance.
More info about Aluminum 6061
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