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5457 Aluminum vs. 7076 Aluminum

Both 5457 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 5457 aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 55
160
Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 6.0 to 22
6.2
Fatigue Strength, MPa 55 to 98
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 85 to 130
310
Tensile Strength: Ultimate (UTS), MPa 130 to 210
530
Tensile Strength: Yield (Proof), MPa 50 to 190
460

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 660
630
Melting Onset (Solidus), °C 630
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 180
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
35
Electrical Conductivity: Equal Weight (Specific), % IACS 150
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
31
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 13 to 21
49
Strength to Weight: Bending, points 21 to 28
48
Thermal Diffusivity, mm2/s 72
54
Thermal Shock Resistance, points 5.7 to 9.0
23

Alloy Composition


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Aluminum (Al), % 97.8 to 99.05
86.9 to 91.2
Copper (Cu), % 0 to 0.2
0.3 to 1.0
Iron (Fe), % 0 to 0.1
0 to 0.6
Magnesium (Mg), % 0.8 to 1.2
1.2 to 2.0
Manganese (Mn), % 0.15 to 0.45
0.3 to 0.8
Silicon (Si), % 0 to 0.080
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
7.0 to 8.0
Residuals, % 0 to 0.1
0 to 0.15