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EN AC-45100 Aluminum vs. Grade 32 Titanium

EN AC-45100 aluminum belongs to the aluminum alloys classification, while grade 32 titanium belongs to the titanium alloys. There are 29 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 grade 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.0 to 2.8
11
Fatigue Strength, MPa 82 to 99
390
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 300 to 360
770
Tensile Strength: Yield (Proof), MPa 210 to 320
670

Thermal Properties

Latent Heat of Fusion, J/g 470
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 630
1610
Melting Onset (Solidus), °C 550
1560
Specific Heat Capacity, J/kg-K 890
550
Thermal Conductivity, W/m-K 140
7.5
Thermal Expansion, µm/m-K 22
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
38
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.9
32
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1100
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
83
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
2100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
35
Strength to Weight: Axial, points 30 to 35
47
Strength to Weight: Bending, points 35 to 39
41
Thermal Diffusivity, mm2/s 54
3.0
Thermal Shock Resistance, points 14 to 16
63

Alloy Composition

Aluminum (Al), % 88 to 92.8
4.5 to 5.5
Carbon (C), % 0
0 to 0.080
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
Molybdenum (Mo), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Silicon (Si), % 4.5 to 6.0
0.060 to 0.14
Tin (Sn), % 0 to 0.050
0.6 to 1.4
Titanium (Ti), % 0 to 0.25
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4