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Grade 16 Titanium vs. 240.0 Aluminum

Grade 16 titanium belongs to the titanium alloys classification, while 240.0 aluminum belongs to the aluminum 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 grade 16 titanium and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 23
1.0
Fatigue Strength, MPa 240
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 38
27
Tensile Strength: Ultimate (UTS), MPa 400
240
Tensile Strength: Yield (Proof), MPa 340
200

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
600
Melting Onset (Solidus), °C 1610
520
Specific Heat Capacity, J/kg-K 540
860
Thermal Conductivity, W/m-K 22
96
Thermal Expansion, µm/m-K 9.2
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
23
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
65

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.2
Embodied Carbon, kg CO2/kg material 36
8.7
Embodied Energy, MJ/kg 600
150
Embodied Water, L/kg 230
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 550
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
43
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 27
26
Thermal Diffusivity, mm2/s 8.9
35
Thermal Shock Resistance, points 29
11

Alloy Composition

Aluminum (Al), % 0
81.7 to 86.9
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
7.0 to 9.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0
0.3 to 0.7
Nickel (Ni), % 0
0.3 to 0.7
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.5
Titanium (Ti), % 98.8 to 99.96
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15