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319.0 Aluminum vs. Grade 27 Titanium

319.0 aluminum belongs to the aluminum alloys classification, while grade 27 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 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.8 to 2.0
27
Fatigue Strength, MPa 76 to 80
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Shear Strength, MPa 170 to 210
180
Tensile Strength: Ultimate (UTS), MPa 190 to 240
270
Tensile Strength: Yield (Proof), MPa 110 to 180
230

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
33
Embodied Energy, MJ/kg 140
530
Embodied Water, L/kg 1080
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
70
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 18 to 24
17
Strength to Weight: Bending, points 25 to 30
21
Thermal Diffusivity, mm2/s 44
8.8
Thermal Shock Resistance, points 8.6 to 11
21

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0 to 0.080
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
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 5.5 to 6.5
0
Titanium (Ti), % 0 to 0.25
99 to 99.92
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.4