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5657 Aluminum vs. 7475 Aluminum

Both 5657 aluminum and 7475 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 6.6 to 15
10 to 12
Fatigue Strength, MPa 74 to 88
190 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 92 to 110
320 to 350
Tensile Strength: Ultimate (UTS), MPa 150 to 200
530 to 590
Tensile Strength: Yield (Proof), MPa 140 to 170
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 210
140 to 160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 180
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
1390 to 1920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 15 to 20
49 to 55
Strength to Weight: Bending, points 23 to 28
48 to 52
Thermal Diffusivity, mm2/s 84
53 to 63
Thermal Shock Resistance, points 6.7 to 8.6
23 to 26

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
88.6 to 91.6
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0 to 0.1
1.2 to 1.9
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.12
Magnesium (Mg), % 0.6 to 1.0
1.9 to 2.6
Manganese (Mn), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0 to 0.080
0 to 0.1
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
5.1 to 6.2
Residuals, % 0 to 0.050
0 to 0.15