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5088 Aluminum vs. 4145 Aluminum

Both 5088 aluminum and 4145 aluminum are aluminum alloys. They have 86% 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 4145 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 29
2.2
Fatigue Strength, MPa 180
48
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
28
Shear Strength, MPa 200
69
Tensile Strength: Ultimate (UTS), MPa 310
120
Tensile Strength: Yield (Proof), MPa 150
68

Thermal Properties

Latent Heat of Fusion, J/g 390
540
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 98
84

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 9.0
7.6
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 170
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 32
12
Strength to Weight: Bending, points 38
19
Thermal Diffusivity, mm2/s 51
42
Thermal Shock Resistance, points 14
5.5

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
83 to 87.4
Chromium (Cr), % 0 to 0.15
0 to 0.15
Copper (Cu), % 0 to 0.25
3.3 to 4.7
Iron (Fe), % 0.1 to 0.35
0 to 0.8
Magnesium (Mg), % 4.7 to 5.5
0 to 0.15
Manganese (Mn), % 0.2 to 0.5
0 to 0.15
Silicon (Si), % 0 to 0.2
9.3 to 10.7
Zinc (Zn), % 0.2 to 0.4
0 to 0.2
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15