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EN AC-45500 Aluminum vs. Grade 24 Titanium

EN AC-45500 aluminum belongs to the aluminum alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-45500 aluminum and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 2.8
11
Fatigue Strength, MPa 80
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 320
1010
Tensile Strength: Yield (Proof), MPa 250
940

Thermal Properties

Latent Heat of Fusion, J/g 500
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 610
1610
Melting Onset (Solidus), °C 600
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 150
7.1
Thermal Expansion, µm/m-K 22
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.0
43
Embodied Energy, MJ/kg 150
710
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
110
Resilience: Unit (Modulus of Resilience), kJ/m3 430
4160
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 34
63
Strength to Weight: Bending, points 40
50
Thermal Diffusivity, mm2/s 65
2.9
Thermal Shock Resistance, points 15
72

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.2 to 0.7
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.4
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.15
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4