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5182 Aluminum vs. 4045 Aluminum

Both 5182 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 5182 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, % 1.1 to 12
2.3
Fatigue Strength, MPa 100 to 130
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Shear Strength, MPa 170 to 240
69
Tensile Strength: Ultimate (UTS), MPa 280 to 420
120
Tensile Strength: Yield (Proof), MPa 130 to 360
64

Thermal Properties

Latent Heat of Fusion, J/g 390
540
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 590
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
45
Electrical Conductivity: Equal Weight (Specific), % IACS 94
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 8.9
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
54
Strength to Weight: Axial, points 29 to 44
13
Strength to Weight: Bending, points 36 to 47
21
Thermal Diffusivity, mm2/s 53
74
Thermal Shock Resistance, points 12 to 19
5.7

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
87.4 to 91
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0 to 0.3
Iron (Fe), % 0 to 0.35
0 to 0.8
Magnesium (Mg), % 4.0 to 5.0
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 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15