5457 (A95457) Aluminum
5457 aluminum is a 5000-series aluminum alloy: the main alloying addition is magnesium, and it is formulated for primary forming into wrought products. 5457 is the Aluminum Association (AA) designation for this material. In European standards, it will be given as EN AW-5457. A95457 is the UNS number.
It originally received its standard designation in 1957.
The properties of 5457 aluminum include four common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare 5457 aluminum to: 5000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Brinell Hardness
32 to 55
Elastic (Young's, Tensile) Modulus
68 GPa 9.9 x 106 psi
Elongation at Break
6.0 to 22 %
Fatigue Strength
55 to 98 MPa 8.0 to 14 x 103 psi
Poisson's Ratio
0.33
Shear Modulus
26 GPa 3.7 x 106 psi
Shear Strength
85 to 130 MPa 12 to 18 x 103 psi
Tensile Strength: Ultimate (UTS)
130 to 210 MPa 19 to 30 x 103 psi
Tensile Strength: Yield (Proof)
50 to 190 MPa 7.3 to 27 x 103 psi
Thermal Properties
Latent Heat of Fusion
400 J/g
Maximum Temperature: Mechanical
180 °C 360 °F
Melting Completion (Liquidus)
660 °C 1210 °F
Melting Onset (Solidus)
630 °C 1170 °F
Specific Heat Capacity
900 J/kg-K 0.22 BTU/lb-°F
Thermal Conductivity
180 W/m-K 100 BTU/h-ft-°F
Thermal Expansion
24 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
46 % IACS
Electrical Conductivity: Equal Weight (Specific)
150 % IACS
Otherwise Unclassified Properties
Base Metal Price
9.5 % relative
Density
2.7 g/cm3 170 lb/ft3
Embodied Carbon
8.4 kg CO2/kg material
Embodied Energy
160 MJ/kg 67 x 103 BTU/lb
Embodied Water
1190 L/kg 140 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
12 to 23 MJ/m3
Resilience: Unit (Modulus of Resilience)
18 to 250 kJ/m3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
50 points
Strength to Weight: Axial
13 to 21 points
Strength to Weight: Bending
21 to 28 points
Thermal Diffusivity
72 mm2/s
Thermal Shock Resistance
5.7 to 9.0 points
Alloy Composition
Among wrought aluminum alloys, the composition of 5457 aluminum is notable for including vanadium (V). Vanadium is used to reduce grain size and increase recrystallization temperature.
| Al | 97.8 to 99.05 | |
| Mg | 0.8 to 1.2 | |
| Mn | 0.15 to 0.45 | |
| Cu | 0 to 0.2 | |
| Fe | 0 to 0.1 | |
| Si | 0 to 0.080 | |
| Zn | 0 to 0.050 | |
| V | 0 to 0.050 | |
| res. | 0 to 0.1 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
Aluminum Standards and Data, Aluminum Association Inc., 2013
CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015