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711.0 Aluminum vs. Grade 23 Titanium

711.0 aluminum belongs to the aluminum alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 711.0 aluminum and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 7.8
6.7 to 11
Fatigue Strength, MPa 100
470 to 500
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 220
930 to 940
Tensile Strength: Yield (Proof), MPa 140
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 610
1560
Specific Heat Capacity, J/kg-K 860
560
Thermal Conductivity, W/m-K 160
7.1
Thermal Expansion, µm/m-K 24
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 3.0
4.4
Embodied Carbon, kg CO2/kg material 7.9
38
Embodied Energy, MJ/kg 150
610
Embodied Water, L/kg 1120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3430 to 3560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 20
58 to 59
Strength to Weight: Bending, points 26
48
Thermal Diffusivity, mm2/s 61
2.9
Thermal Shock Resistance, points 9.3
67 to 68

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.35 to 0.65
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0.7 to 1.4
0 to 0.25
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.4