5052 Aluminum properties
5052 is an aluminum-magnesium alloy with excellent corrosion resistance, especially in marine environments, and good formability. It is not heat-treatable but strengthens by cold working. Values below are for the H32 temper.
Mechanical properties
| Property | Value |
|---|---|
| Yield strength | 28 ksi (193 MPa) |
| Ultimate tensile strength | 33 ksi (228 MPa) |
| Elongation | 12% |
| Hardness | 60 HB (Brinell) |
| Modulus of elasticity | 10,200 ksi (70 GPa) |
Physical properties
| Property | Value |
|---|---|
| Density | 0.097 lb/in³ (2680 kg/m³) |
| Melting point | about 605 to 650 °C |
Thermal properties
| Property | Value |
|---|---|
| Thermal conductivity | 138 W/m·K |
| Thermal expansion | 23.8 µm/m·°C |
| Specific heat | 880 J/kg·K |
Values are typical for the grade and condition shown. Actual properties vary with temper, heat treatment, and product form, so use these for comparison and preliminary design and confirm against material certificates for final work.
Compare with other materials
See the Material Properties Comparison, Yield Strength, and Density charts.
Typical uses
5052 is used for marine hardware, boat hulls, fuel tanks, pressure vessels, and formed sheet-metal parts. Its strong corrosion resistance to saltwater and good formability make it the preferred non-heat-treatable sheet alloy for marine and chemical work.
How it compares
5052 resists corrosion better than the heat-treatable 6061 and forms more readily, but cannot be strengthened by heat treatment, so its strength is moderate. It is the go-to alloy for formed marine sheet where 6061 strength is not required.
FAQ
Is 5052 aluminum good for marine use?
Yes. Its aluminum-magnesium chemistry gives excellent saltwater corrosion resistance, making it a leading marine sheet alloy.
Can 5052 be heat-treated?
No. It is non-heat-treatable and gains strength only through cold working, denoted by H tempers such as H32.
What is the difference between 5052 and 6061?
5052 forms better and resists corrosion more, but is not heat-treatable, so 6061 is stronger and better for structural and machined parts.