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324.0 Aluminum vs. 4045 Aluminum

Both 324.0 aluminum and 4045 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 29 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 324.0 aluminum and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 3.0 to 4.0
2.3
Fatigue Strength, MPa 77 to 89
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 210 to 310
120
Tensile Strength: Yield (Proof), MPa 110 to 270
64

Thermal Properties

Latent Heat of Fusion, J/g 500
540
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
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 7.9
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1090
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 8.9
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 85 to 510
29
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
54
Strength to Weight: Axial, points 22 to 32
13
Strength to Weight: Bending, points 29 to 38
21
Thermal Diffusivity, mm2/s 62
74
Thermal Shock Resistance, points 9.7 to 14
5.7

Alloy Composition


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Aluminum (Al), % 87.3 to 92.2
87.4 to 91
Copper (Cu), % 0.4 to 0.6
0 to 0.3
Iron (Fe), % 0 to 1.2
0 to 0.8
Magnesium (Mg), % 0.4 to 0.7
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 7.0 to 8.0
9.0 to 11
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 1.0
0 to 0.1
Residuals, % 0 to 0.2
0 to 0.15