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3102 Aluminum vs. Grade 32 Titanium

3102 aluminum belongs to the aluminum alloys classification, while grade 32 titanium belongs to the titanium alloys. 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 3102 aluminum and the bottom bar is grade 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 23 to 28
11
Fatigue Strength, MPa 31 to 34
390
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 58 to 65
460
Tensile Strength: Ultimate (UTS), MPa 92 to 100
770
Tensile Strength: Yield (Proof), MPa 28 to 34
670

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
310
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 640
1560
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 230
7.5
Thermal Expansion, µm/m-K 23
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 190
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
38
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.2
32
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1190
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
83
Resilience: Unit (Modulus of Resilience), kJ/m3 5.8 to 8.3
2100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 9.4 to 10
47
Strength to Weight: Bending, points 17 to 18
41
Thermal Diffusivity, mm2/s 92
3.0
Thermal Shock Resistance, points 4.1 to 4.4
63

Alloy Composition

Aluminum (Al), % 97.9 to 99.95
4.5 to 5.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Manganese (Mn), % 0.050 to 0.4
0
Molybdenum (Mo), % 0
0.6 to 1.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Silicon (Si), % 0 to 0.4
0.060 to 0.14
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 0 to 0.1
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zinc (Zn), % 0 to 0.3
0
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4