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EN AC-45000 Aluminum vs. Grade C-5 Titanium

EN AC-45000 aluminum belongs to the aluminum alloys classification, while grade C-5 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-45000 aluminum and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
310
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.1
6.7
Fatigue Strength, MPa 75
510
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 180
1000
Tensile Strength: Yield (Proof), MPa 110
940

Thermal Properties

Latent Heat of Fusion, J/g 470
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 520
1560
Specific Heat Capacity, J/kg-K 870
560
Thermal Conductivity, W/m-K 120
7.1
Thermal Expansion, µm/m-K 22
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 3.0
4.4
Embodied Carbon, kg CO2/kg material 7.7
38
Embodied Energy, MJ/kg 140
610
Embodied Water, L/kg 1070
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
66
Resilience: Unit (Modulus of Resilience), kJ/m3 80
4200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 17
63
Strength to Weight: Bending, points 24
50
Thermal Diffusivity, mm2/s 47
2.9
Thermal Shock Resistance, points 8.0
71

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.4
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0
Nickel (Ni), % 0 to 0.45
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 5.0 to 7.0
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0 to 0.4