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Grade 15 Titanium vs. 535.0 Aluminum

Grade 15 titanium belongs to the titanium alloys classification, while 535.0 aluminum belongs to the aluminum alloys. There are 30 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 15 titanium and the bottom bar is 535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 20
10
Fatigue Strength, MPa 290
70
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
25
Shear Strength, MPa 340
190
Tensile Strength: Ultimate (UTS), MPa 540
270
Tensile Strength: Yield (Proof), MPa 430
140

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
630
Melting Onset (Solidus), °C 1610
570
Specific Heat Capacity, J/kg-K 540
910
Thermal Conductivity, W/m-K 21
100
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
23
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
79

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.6
Embodied Carbon, kg CO2/kg material 32
9.4
Embodied Energy, MJ/kg 520
160
Embodied Water, L/kg 210
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
24
Resilience: Unit (Modulus of Resilience), kJ/m3 870
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 33
28
Strength to Weight: Bending, points 33
35
Thermal Diffusivity, mm2/s 8.4
42
Thermal Shock Resistance, points 41
12

Alloy Composition

Aluminum (Al), % 0
91.5 to 93.6
Beryllium (Be), % 0
0.0030 to 0.0070
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.15
Magnesium (Mg), % 0
6.2 to 7.5
Manganese (Mn), % 0
0.1 to 0.25
Nickel (Ni), % 0.4 to 0.6
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 98.2 to 99.56
0.1 to 0.25
Residuals, % 0
0 to 0.15