Strong but formable alloy with excellent corrosion resistance
The addition of manganese makes 3000 series metals 20% stronger than 1000 series metals. In 3105 aluminum, this primary alloying element not only enhances strength, but it also hardens and enhances workability and corrosion resistance without reducing the metal’s ductility. If desired, 3105 aluminum’s strength can be further enhanced through cold working and surface treatments — though it is not a heat-treatable alloy.
3105 aluminum’s excellent corrosion resistance allows it to stand up to harsh conditions and chemical exposure. Highly formable, it’s ideal for rolling, stamping, or bending, and it’s also conducive to creating strong, durable joints through a variety of techniques, including brazing and MIG, TIG, and resistance welding.
A helpful balance of strength, workability, and corrosion resistance make 3105 aluminum a popular choice for a wide range of applications. For example, its strength and corrosion-resistance help it stand up to the weather as roofing and siding. The alloy’s formability and strength make it a sought-after material for automotive components and body panels. And its enhanced corrosion resistance and strength makes 3105 aluminum an excellent choice for outdoor signage and displays that need to withstand harsh weather and possible physical impacts.
Good formability. Ideal for bending, drawing, and stamping, 3105 aluminum can be shaped without cracking or losing structural integrity.
Excellent weldability. 3105 easily conforms to conventional welding methods, such as MIG, TIG, and resistance welding methods.
Stronger than other non-heat treatable alloys. 3105 aluminum is up to 98% pure premium aluminum with added strength from magnesium, its primary alloying element.
High electrical and thermal conductivity. Easily conducting electricity and heat makes 3105 aluminum well suited for electronics and thermal management systems.
3105 aluminum mechanical properties
These properties demonstrate how 3105 aluminum performs under different forces or loads. These are general mechanical properties for reference only.
3105-H14 Aluminum Mechanical Properties
per The Aluminum Association, Inc.
Alloy & Temper
Thickness
Tensile Strengths – ksi
ULTIMATE
YIELD
Elongation % min in 2in or 4D
Min
Max
Min
Max
3105-H14
.013-.019
22
29
18
1
.020-.031
22
29
18
1
.032-.050
22
29
18
2
.051-.080
22
29
18
2
3105 aluminum chemical properties
This table describes the chemical composition of 3105 aluminum that gives the alloy its base properties.
3105 Aluminum Chemical Composition
per The Aluminum Association, Inc.
Alloy & Temper
Element
Composition (wt%)
3105-H14
Aluminum (Al)
Balance
Manganese (Mn)
0.30 – 0.80
Magnesium (Mg)
0.20 – 0.80
Copper (Cu)
0.30 max
Silicon (Si)
0.60 max
Iron (Fe)
0.70 max
Zinc (Zn)
0.40 max
Chromium (Cr)
0.20 max
Others (each)
0.05 max
Others (total)
0.15 max
3105 aluminum physical properties
These are the basic properties of 3105 aluminum that are independent of its mechanical characteristics.
3105 Aluminum Physical Properties
per The Aluminum Association, Inc.
Alloy & Temper
Property
Value
3105-H14
Density
2.81 g/cm^3
Melting Point
630 – 655 °C
Specific Heat Capacity
0.897 J/g- °C
Thermal Conductivity
150 – 180 W/m-K
Electrical Conductivity
41% IACS
Modulus of Elasticity
69 GPa
Shapes and forms
We carry several forms of 3105 aluminum, including sheet and coil.
Applications for 3105 aluminum
Due to 3105 aluminum’s strength, workability and corrosion resistance, it’s a great all-purpose aluminum alloy with many potential applications, such as:
To learn more about aluminum tempers, visit tempers.
Surface finish
Our 3105 aluminum is available in a variety of surface finishes, including standard mill finish, prepainted sheet, painted coil or in a bright finish.
Frequently Asked Questions (FAQs)
What are 3105 aluminum’s properties?
3105 aluminum’s mechanical properties vary based on temper. Its physical properties include a density of 0.0939-0.101 lb/in3 and a melting point of 1185°F.
What are 3105 aluminum’s common uses?
3105 aluminum is suitable for a variety of uses due to its strength, workability and corrosion resistance, but you’ll find it most often in sheet metal work and non-critical building applications, such as residential siding, mobile home construction, and rain-carrying products.
Both alloys demonstrate similar formability and weldability, but the magnesium in 5052 aluminum gives it more strength and corrosion resistance than what 3105 aluminum gets from manganese, its primary alloying element. Because 3105 aluminum tends to be more affordable than 5052, it’s a better choice for applications where the high strength and corrosion resistance of 5052 aluminum would be excessive.
How is 3105 aluminum vs. 6061?
3105 and 6061 are two very common aluminum alloys. 3105 aluminum offers greater bendability and formability than 6061, while magnesium and silicon elements make 6061 aluminum a stronger alloy.
Get your specialty metals now
We’re here to help you find metals quickly at a competitive price, or give you the best value for your surplus metals. Reach out to us today to experience our world-class customer service for yourself.
3105 Aluminum
Strong but formable alloy with excellent corrosion resistance
The addition of manganese makes 3000 series metals 20% stronger than 1000 series metals. In 3105 aluminum, this primary alloying element not only enhances strength, but it also hardens and enhances workability and corrosion resistance without reducing the metal’s ductility. If desired, 3105 aluminum’s strength can be further enhanced through cold working and surface treatments — though it is not a heat-treatable alloy.
3105 aluminum’s excellent corrosion resistance allows it to stand up to harsh conditions and chemical exposure. Highly formable, it’s ideal for rolling, stamping, or bending, and it’s also conducive to creating strong, durable joints through a variety of techniques, including brazing and MIG, TIG, and resistance welding.
A helpful balance of strength, workability, and corrosion resistance make 3105 aluminum a popular choice for a wide range of applications. For example, its strength and corrosion-resistance help it stand up to the weather as roofing and siding. The alloy’s formability and strength make it a sought-after material for automotive components and body panels. And its enhanced corrosion resistance and strength makes 3105 aluminum an excellent choice for outdoor signage and displays that need to withstand harsh weather and possible physical impacts.
Get a no-hassle quote now3105 aluminum’s standout properties include:
3105 aluminum mechanical properties
These properties demonstrate how 3105 aluminum performs under different forces or loads. These are general mechanical properties for reference only.
3105-H14 Aluminum Mechanical Properties
per The Aluminum Association, Inc.
3105 aluminum chemical properties
This table describes the chemical composition of 3105 aluminum that gives the alloy its base properties.
3105 Aluminum Chemical Composition
per The Aluminum Association, Inc.
3105 aluminum physical properties
These are the basic properties of 3105 aluminum that are independent of its mechanical characteristics.
3105 Aluminum Physical Properties
per The Aluminum Association, Inc.
Shapes and forms
We carry several forms of 3105 aluminum, including sheet and coil.
Applications for 3105 aluminum
Due to 3105 aluminum’s strength, workability and corrosion resistance, it’s a great all-purpose aluminum alloy with many potential applications, such as:
Tempers
At CDM, we offer a range of 3105 aluminum tempers, including:
To learn more about aluminum tempers, visit tempers.
Surface finish
Our 3105 aluminum is available in a variety of surface finishes, including standard mill finish, prepainted sheet, painted coil or in a bright finish.
Frequently Asked Questions (FAQs)
What are 3105 aluminum’s properties?
3105 aluminum’s mechanical properties vary based on temper. Its physical properties include a density of 0.0939-0.101 lb/in3 and a melting point of 1185°F.
What are 3105 aluminum’s common uses?
3105 aluminum is suitable for a variety of uses due to its strength, workability and corrosion resistance, but you’ll find it most often in sheet metal work and non-critical building applications, such as residential siding, mobile home construction, and rain-carrying products.
How would you compare aluminum 3105 vs. 3003?
3105 aluminum is extremely similar to 3003 aluminum in terms of corrosion resistance and workability/formability, but its higher magnesium content gives it a slightly greater tensile strength. for a detailed comparison between 3003 and 3105 aluminum, click here.
How does 3105 aluminum compare vs. 5052?
Both alloys demonstrate similar formability and weldability, but the magnesium in 5052 aluminum gives it more strength and corrosion resistance than what 3105 aluminum gets from manganese, its primary alloying element. Because 3105 aluminum tends to be more affordable than 5052, it’s a better choice for applications where the high strength and corrosion resistance of 5052 aluminum would be excessive.
How is 3105 aluminum vs. 6061?
3105 and 6061 are two very common aluminum alloys. 3105 aluminum offers greater bendability and formability than 6061, while magnesium and silicon elements make 6061 aluminum a stronger alloy.
Get your specialty metals now
We’re here to help you find metals quickly at a competitive price, or give you the best value for your surplus metals. Reach out to us today to experience our world-class customer service for yourself.