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EN AC-45100 Aluminum vs. Titanium 15-3-3-3

EN AC-45100 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-45100 aluminum and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.0 to 2.8
5.7 to 8.0
Fatigue Strength, MPa 82 to 99
610 to 710
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 300 to 360
1120 to 1390
Tensile Strength: Yield (Proof), MPa 210 to 320
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 470
390
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 630
1620
Melting Onset (Solidus), °C 550
1560
Specific Heat Capacity, J/kg-K 890
520
Thermal Conductivity, W/m-K 140
8.1
Thermal Expansion, µm/m-K 22
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 2.8
4.8
Embodied Carbon, kg CO2/kg material 7.9
59
Embodied Energy, MJ/kg 150
950
Embodied Water, L/kg 1100
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 49
32
Strength to Weight: Axial, points 30 to 35
64 to 80
Strength to Weight: Bending, points 35 to 39
50 to 57
Thermal Diffusivity, mm2/s 54
3.2
Thermal Shock Resistance, points 14 to 16
79 to 98

Alloy Composition

Aluminum (Al), % 88 to 92.8
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
2.5 to 3.5
Copper (Cu), % 2.6 to 3.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
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 0.2
0
Residuals, % 0
0 to 0.4