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5056 Aluminum vs. Grade 16 Titanium

5056 aluminum belongs to the aluminum alloys classification, while grade 16 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 5056 aluminum and the bottom bar is grade 16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Elongation at Break, % 4.9 to 31
23
Fatigue Strength, MPa 140 to 200
240
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
38
Shear Strength, MPa 170 to 240
250
Tensile Strength: Ultimate (UTS), MPa 290 to 460
400
Tensile Strength: Yield (Proof), MPa 150 to 410
340

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 570
1610
Specific Heat Capacity, J/kg-K 910
540
Thermal Conductivity, W/m-K 130
22
Thermal Expansion, µm/m-K 24
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.2

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 9.0
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1180
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
86
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 30 to 48
25
Strength to Weight: Bending, points 36 to 50
27
Thermal Diffusivity, mm2/s 53
8.9
Thermal Shock Resistance, points 13 to 20
29

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.4
0 to 0.3
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
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 0.3
0
Titanium (Ti), % 0
98.8 to 99.96
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4