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Grade 3 Titanium vs. 324.0 Aluminum

Grade 3 titanium belongs to the titanium alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 29 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 3 titanium and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 21
3.0 to 4.0
Fatigue Strength, MPa 300
77 to 89
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 510
210 to 310
Tensile Strength: Yield (Proof), MPa 440
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
500
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
610
Melting Onset (Solidus), °C 1610
550
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
150
Thermal Expansion, µm/m-K 9.2
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
34
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
7.9
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 910
85 to 510
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 32
22 to 32
Strength to Weight: Bending, points 32
29 to 38
Thermal Diffusivity, mm2/s 8.6
62
Thermal Shock Resistance, points 37
9.7 to 14

Alloy Composition

Aluminum (Al), % 0
87.3 to 92.2
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.4 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 1.2
Magnesium (Mg), % 0
0.4 to 0.7
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 0.35
0
Silicon (Si), % 0
7.0 to 8.0
Titanium (Ti), % 98.8 to 100
0 to 0.2
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2