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EN AC-47000 Aluminum vs. Titanium 15-3-3-3

EN AC-47000 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-47000 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, % 1.7
5.7 to 8.0
Fatigue Strength, MPa 68
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 97
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 570
390
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 590
1620
Melting Onset (Solidus), °C 570
1560
Specific Heat Capacity, J/kg-K 900
520
Thermal Conductivity, W/m-K 130
8.1
Thermal Expansion, µm/m-K 21
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.6
4.8
Embodied Carbon, kg CO2/kg material 7.7
59
Embodied Energy, MJ/kg 140
950
Embodied Water, L/kg 1040
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
78 to 89
Stiffness to Weight: Axial, points 16
12
Stiffness to Weight: Bending, points 54
32
Strength to Weight: Axial, points 19
64 to 80
Strength to Weight: Bending, points 27
50 to 57
Thermal Diffusivity, mm2/s 55
3.2
Thermal Shock Resistance, points 8.3
79 to 98

Alloy Composition

Aluminum (Al), % 82.1 to 89.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
2.5 to 3.5
Copper (Cu), % 0 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.25
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0.050 to 0.55
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 10.5 to 13.5
0
Tin (Sn), % 0 to 0.1
2.5 to 3.5
Titanium (Ti), % 0 to 0.2
72.6 to 78.5
Vanadium (V), % 0
14 to 16
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0
0 to 0.4