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Grade C-5 Titanium vs. 707.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 707.0 aluminum belongs to the aluminum alloys. There are 29 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 grade C-5 titanium and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.7
1.7 to 3.4
Fatigue Strength, MPa 510
75 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
270 to 300
Tensile Strength: Yield (Proof), MPa 940
170 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
180
Melting Completion (Liquidus), °C 1610
630
Melting Onset (Solidus), °C 1560
600
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.1
150
Thermal Expansion, µm/m-K 9.6
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.9
Embodied Carbon, kg CO2/kg material 38
8.3
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
4.3 to 8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
210 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
47
Strength to Weight: Axial, points 63
26 to 29
Strength to Weight: Bending, points 50
32 to 34
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 71
12 to 13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
90.5 to 93.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.8
Magnesium (Mg), % 0
1.8 to 2.4
Manganese (Mn), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 87.5 to 91
0 to 0.25
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
4.0 to 4.5
Residuals, % 0
0 to 0.15