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5088 Aluminum vs. 4045 Aluminum

Both 5088 aluminum and 4045 aluminum are aluminum alloys. They have 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 5088 aluminum and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 29
2.3
Fatigue Strength, MPa 180
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 200
69
Tensile Strength: Ultimate (UTS), MPa 310
120
Tensile Strength: Yield (Proof), MPa 150
64

Thermal Properties

Latent Heat of Fusion, J/g 390
540
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 540
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
45
Electrical Conductivity: Equal Weight (Specific), % IACS 98
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 9.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 170
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 32
13
Strength to Weight: Bending, points 38
21
Thermal Diffusivity, mm2/s 51
74
Thermal Shock Resistance, points 14
5.7

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
87.4 to 91
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0.1 to 0.35
0 to 0.8
Magnesium (Mg), % 4.7 to 5.5
0 to 0.050
Manganese (Mn), % 0.2 to 0.5
0 to 0.050
Silicon (Si), % 0 to 0.2
9.0 to 11
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.2 to 0.4
0 to 0.1
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15