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4145 Aluminum vs. 5110A Aluminum

Both 4145 aluminum and 5110A 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 4145 aluminum and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
68
Elongation at Break, % 2.2
4.5 to 28
Fatigue Strength, MPa 48
37 to 77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Shear Strength, MPa 69
66 to 110
Tensile Strength: Ultimate (UTS), MPa 120
100 to 190
Tensile Strength: Yield (Proof), MPa 68
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 100
220
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
57
Electrical Conductivity: Equal Weight (Specific), % IACS 84
190

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 7.6
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 31
7.6 to 200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 12
10 to 19
Strength to Weight: Bending, points 19
18 to 27
Thermal Diffusivity, mm2/s 42
91
Thermal Shock Resistance, points 5.5
4.5 to 8.4

Alloy Composition


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Aluminum (Al), % 83 to 87.4
98.5 to 99.8
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.3 to 4.7
0 to 0.2
Iron (Fe), % 0 to 0.8
0 to 0.25
Magnesium (Mg), % 0 to 0.15
0.2 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.2
Silicon (Si), % 9.3 to 10.7
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.030
Residuals, % 0 to 0.15
0 to 0.1