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5088 Aluminum vs. Titanium 4-4-2

5088 aluminum belongs to the aluminum alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 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 5088 aluminum and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 29
10
Fatigue Strength, MPa 180
590 to 620
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
42
Shear Strength, MPa 200
690 to 750
Tensile Strength: Ultimate (UTS), MPa 310
1150 to 1250
Tensile Strength: Yield (Proof), MPa 150
1030 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 200
310
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 540
1560
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 120
6.7
Thermal Expansion, µm/m-K 24
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
39
Density, g/cm3 2.7
4.7
Embodied Carbon, kg CO2/kg material 9.0
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
4700 to 5160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
34
Strength to Weight: Axial, points 32
68 to 74
Strength to Weight: Bending, points 38
52 to 55
Thermal Diffusivity, mm2/s 51
2.6
Thermal Shock Resistance, points 14
86 to 93

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
3.0 to 5.0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.1 to 0.35
0 to 0.2
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0 to 0.2
0.3 to 0.7
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.4