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5657 Aluminum vs. 7005 Aluminum

Both 5657 aluminum and 7005 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 6.6 to 15
10 to 20
Fatigue Strength, MPa 74 to 88
100 to 190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 92 to 110
120 to 230
Tensile Strength: Ultimate (UTS), MPa 150 to 200
200 to 400
Tensile Strength: Yield (Proof), MPa 140 to 170
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 210
140 to 170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 180
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
65 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 15 to 20
19 to 38
Strength to Weight: Bending, points 23 to 28
26 to 41
Thermal Diffusivity, mm2/s 84
54 to 65
Thermal Shock Resistance, points 6.7 to 8.6
8.7 to 18

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
91 to 94.7
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0 to 0.1
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.4
Magnesium (Mg), % 0.6 to 1.0
1.0 to 1.8
Manganese (Mn), % 0 to 0.030
0.2 to 0.7
Silicon (Si), % 0 to 0.080
0 to 0.35
Titanium (Ti), % 0
0.010 to 0.060
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0 to 0.050
0 to 0.15