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EN AC-51100 Aluminum vs. Grade 16 Titanium

EN AC-51100 aluminum belongs to the aluminum alloys classification, while grade 16 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-51100 aluminum and the bottom bar is grade 16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.5
23
Fatigue Strength, MPa 58
240
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 160
400
Tensile Strength: Yield (Proof), MPa 80
340

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 620
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
22
Thermal Expansion, µm/m-K 23
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.2

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.7
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1180
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
86
Resilience: Unit (Modulus of Resilience), kJ/m3 47
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 25
27
Thermal Diffusivity, mm2/s 53
8.9
Thermal Shock Resistance, points 7.3
29

Alloy Composition

Aluminum (Al), % 94.5 to 97.5
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.55
0 to 0.3
Magnesium (Mg), % 2.5 to 3.5
0
Manganese (Mn), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.55
0
Titanium (Ti), % 0 to 0.2
98.8 to 99.96
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4