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5154 Aluminum vs. 7075 Aluminum

Both 5154 aluminum and 7075 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 5154 aluminum and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 3.4 to 20
1.8 to 12
Fatigue Strength, MPa 100 to 160
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 210
150 to 340
Tensile Strength: Ultimate (UTS), MPa 240 to 360
240 to 590
Tensile Strength: Yield (Proof), MPa 94 to 270
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Calomel Potential, mV -770
-750
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 39
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 540
110 to 1870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 25 to 37
22 to 54
Strength to Weight: Bending, points 32 to 42
28 to 52
Thermal Diffusivity, mm2/s 52
50
Thermal Shock Resistance, points 10 to 16
10 to 25

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
86.9 to 91.4
Chromium (Cr), % 0.15 to 0.35
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.2 to 2.0
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 3.1 to 3.9
2.1 to 2.9
Manganese (Mn), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.2
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants