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5154 Aluminum vs. 4145 Aluminum

Both 5154 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 (2, in this case) are not shown.

For each property being compared, the top bar is 5154 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, % 3.4 to 20
2.2
Fatigue Strength, MPa 100 to 160
48
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Shear Strength, MPa 140 to 210
69
Tensile Strength: Ultimate (UTS), MPa 240 to 360
120
Tensile Strength: Yield (Proof), MPa 94 to 270
68

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 590
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
26
Electrical Conductivity: Equal Weight (Specific), % IACS 110
84

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.8
7.6
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 39
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 540
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 25 to 37
12
Strength to Weight: Bending, points 32 to 42
19
Thermal Diffusivity, mm2/s 52
42
Thermal Shock Resistance, points 10 to 16
5.5

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
83 to 87.4
Chromium (Cr), % 0.15 to 0.35
0 to 0.15
Copper (Cu), % 0 to 0.1
3.3 to 4.7
Iron (Fe), % 0 to 0.4
0 to 0.8
Magnesium (Mg), % 3.1 to 3.9
0 to 0.15
Manganese (Mn), % 0 to 0.1
0 to 0.15
Silicon (Si), % 0 to 0.25
9.3 to 10.7
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15