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EN AC-45000 Aluminum vs. Titanium 15-3-3-3

EN AC-45000 aluminum belongs to the aluminum alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 28 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 EN AC-45000 aluminum and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 1.1
5.7 to 8.0
Fatigue Strength, MPa 75
610 to 710
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 180
1120 to 1390
Tensile Strength: Yield (Proof), MPa 110
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 470
390
Maximum Temperature: Mechanical, °C 180
430
Melting Completion (Liquidus), °C 640
1620
Melting Onset (Solidus), °C 520
1560
Specific Heat Capacity, J/kg-K 870
520
Thermal Conductivity, W/m-K 120
8.1
Thermal Expansion, µm/m-K 22
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
40
Density, g/cm3 3.0
4.8
Embodied Carbon, kg CO2/kg material 7.7
59
Embodied Energy, MJ/kg 140
950
Embodied Water, L/kg 1070
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 47
32
Strength to Weight: Axial, points 17
64 to 80
Strength to Weight: Bending, points 24
50 to 57
Thermal Diffusivity, mm2/s 47
3.2
Thermal Shock Resistance, points 8.0
79 to 98

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.15
2.5 to 3.5
Copper (Cu), % 3.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.25
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
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 5.0 to 7.0
0
Tin (Sn), % 0 to 0.15
2.5 to 3.5
Titanium (Ti), % 0 to 0.25
72.6 to 78.5
Vanadium (V), % 0
14 to 16
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0
0 to 0.4