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3203 Aluminum vs. Grade 12 Titanium

3203 aluminum belongs to the aluminum alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 30 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 3203 aluminum and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.5 to 29
21
Fatigue Strength, MPa 46 to 92
280
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 72 to 120
330
Tensile Strength: Ultimate (UTS), MPa 110 to 200
530
Tensile Strength: Yield (Proof), MPa 39 to 190
410

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 620
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 170
21
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
37
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.1
31
Embodied Energy, MJ/kg 150
500
Embodied Water, L/kg 1180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
110
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 11 to 20
32
Strength to Weight: Bending, points 19 to 28
32
Thermal Diffusivity, mm2/s 70
8.5
Thermal Shock Resistance, points 4.9 to 8.8
37

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.3
Manganese (Mn), % 1.0 to 1.5
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.6 to 0.9
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0
97.6 to 99.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4