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5252 Aluminum vs. 7178 Aluminum

Both 5252 aluminum and 7178 aluminum are aluminum alloys. They have a moderately high 90% 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 5252 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 4.5 to 11
4.5 to 12
Fatigue Strength, MPa 100 to 110
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
27
Shear Strength, MPa 140 to 160
140 to 380
Tensile Strength: Ultimate (UTS), MPa 230 to 290
240 to 640
Tensile Strength: Yield (Proof), MPa 170 to 240
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 910
860
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.7
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
110 to 2220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 23 to 30
21 to 58
Strength to Weight: Bending, points 31 to 36
28 to 54
Thermal Diffusivity, mm2/s 57
47
Thermal Shock Resistance, points 10 to 13
10 to 28

Alloy Composition

Aluminum (Al), % 96.6 to 97.8
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.6 to 2.4
Iron (Fe), % 0 to 0.1
0 to 0.5
Magnesium (Mg), % 2.2 to 2.8
2.4 to 3.1
Manganese (Mn), % 0 to 0.1
0 to 0.3
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
6.3 to 7.3
Residuals, % 0
0 to 0.15