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Grade 24 Titanium vs. EN AC-48100 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while EN AC-48100 aluminum belongs to the aluminum 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 grade 24 titanium and the bottom bar is EN AC-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
76
Elongation at Break, % 11
1.1
Fatigue Strength, MPa 550
120 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
29
Tensile Strength: Ultimate (UTS), MPa 1010
240 to 330
Tensile Strength: Yield (Proof), MPa 940
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 410
640
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
580
Melting Onset (Solidus), °C 1560
470
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.1
130
Thermal Expansion, µm/m-K 9.6
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
87

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 43
7.3
Embodied Energy, MJ/kg 710
130
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.3 to 3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
250 to 580
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 63
24 to 33
Strength to Weight: Bending, points 50
31 to 38
Thermal Diffusivity, mm2/s 2.9
55
Thermal Shock Resistance, points 72
11 to 16

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
72.1 to 79.8
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.3
Magnesium (Mg), % 0
0.25 to 0.65
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
16 to 18
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 87.5 to 91
0 to 0.25
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0 to 0.4
0 to 0.25