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5059 Aluminum vs. 7178 Aluminum

Both 5059 aluminum and 7178 aluminum are aluminum alloys. They have a moderately high 92% 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 5059 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 11 to 25
4.5 to 12
Fatigue Strength, MPa 170 to 240
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 220 to 250
140 to 380
Tensile Strength: Ultimate (UTS), MPa 350 to 410
240 to 640
Tensile Strength: Yield (Proof), MPa 170 to 300
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
31
Electrical Conductivity: Equal Weight (Specific), % IACS 95
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.1
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1160
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 650
110 to 2220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 36 to 42
21 to 58
Strength to Weight: Bending, points 41 to 45
28 to 54
Thermal Diffusivity, mm2/s 44
47
Thermal Shock Resistance, points 16 to 18
10 to 28

Alloy Composition

Aluminum (Al), % 89.9 to 94
85.4 to 89.5
Chromium (Cr), % 0 to 0.25
0.18 to 0.28
Copper (Cu), % 0 to 0.25
1.6 to 2.4
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 5.0 to 6.0
2.4 to 3.1
Manganese (Mn), % 0.6 to 1.2
0 to 0.3
Silicon (Si), % 0 to 0.45
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0.4 to 0.9
6.3 to 7.3
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants