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319.0 Aluminum vs. Grade C-2 Titanium

319.0 aluminum belongs to the aluminum alloys classification, while grade C-2 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 319.0 aluminum and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78 to 84
180
Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.8 to 2.0
17
Fatigue Strength, MPa 76 to 80
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 190 to 240
390
Tensile Strength: Yield (Proof), MPa 110 to 180
310

Thermal Properties

Latent Heat of Fusion, J/g 480
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 600
1660
Melting Onset (Solidus), °C 540
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 84
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.7
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 1080
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
61
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 18 to 24
24
Strength to Weight: Bending, points 25 to 30
26
Thermal Diffusivity, mm2/s 44
8.8
Thermal Shock Resistance, points 8.6 to 11
30

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.35
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 5.5 to 6.5
0
Titanium (Ti), % 0 to 0.25
98.8 to 100
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4