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A380.0 Aluminum vs. Grade C-6 Titanium

A380.0 aluminum belongs to the aluminum alloys classification, while grade C-6 titanium belongs to the titanium 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 A380.0 aluminum and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
290
Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 3.3
9.0
Fatigue Strength, MPa 140
460
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 290
890
Tensile Strength: Yield (Proof), MPa 160
830

Thermal Properties

Latent Heat of Fusion, J/g 510
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 590
1580
Melting Onset (Solidus), °C 550
1530
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 96
7.8
Thermal Expansion, µm/m-K 22
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 7.5
30
Embodied Energy, MJ/kg 140
480
Embodied Water, L/kg 1040
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
78
Resilience: Unit (Modulus of Resilience), kJ/m3 180
3300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
35
Strength to Weight: Axial, points 28
55
Strength to Weight: Bending, points 34
46
Thermal Diffusivity, mm2/s 38
3.2
Thermal Shock Resistance, points 13
63

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
4.0 to 6.0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.3
0 to 0.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 7.5 to 9.5
0
Tin (Sn), % 0 to 0.35
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.4