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5088 Aluminum vs. Grade 30 Titanium

5088 aluminum belongs to the aluminum alloys classification, while grade 30 titanium belongs to the titanium alloys. There are 29 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 5088 aluminum and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 29
23
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
41
Shear Strength, MPa 200
240
Tensile Strength: Ultimate (UTS), MPa 310
390
Tensile Strength: Yield (Proof), MPa 150
350

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 200
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 540
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 24
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 98
6.9

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 9.0
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1180
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
86
Resilience: Unit (Modulus of Resilience), kJ/m3 170
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 38
26
Thermal Diffusivity, mm2/s 51
8.6
Thermal Shock Resistance, points 14
30

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.15
0
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.1 to 0.35
0 to 0.3
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0
98 to 99.76
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.4