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Grade C-5 Titanium vs. A380.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while A380.0 aluminum belongs to the aluminum 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 grade C-5 titanium and the bottom bar is A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
80
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 6.7
3.3
Fatigue Strength, MPa 510
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1000
290
Tensile Strength: Yield (Proof), MPa 940
160

Thermal Properties

Latent Heat of Fusion, J/g 410
510
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
590
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 560
870
Thermal Conductivity, W/m-K 7.1
96
Thermal Expansion, µm/m-K 9.6
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
78

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.4
2.9
Embodied Carbon, kg CO2/kg material 38
7.5
Embodied Energy, MJ/kg 610
140
Embodied Water, L/kg 200
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
8.3
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
48
Strength to Weight: Axial, points 63
28
Strength to Weight: Bending, points 50
34
Thermal Diffusivity, mm2/s 2.9
38
Thermal Shock Resistance, points 71
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
80.3 to 89.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.050
0 to 0.5
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 3.0
Residuals, % 0
0 to 0.5