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Grade 15 Titanium vs. B535.0 Aluminum

Grade 15 titanium belongs to the titanium alloys classification, while B535.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 15 titanium and the bottom bar is B535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
66
Elongation at Break, % 20
10
Fatigue Strength, MPa 290
62
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
25
Shear Strength, MPa 340
210
Tensile Strength: Ultimate (UTS), MPa 540
260
Tensile Strength: Yield (Proof), MPa 430
130

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
550
Specific Heat Capacity, J/kg-K 540
910
Thermal Conductivity, W/m-K 21
96
Thermal Expansion, µm/m-K 8.7
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
24
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
82

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
22
Resilience: Unit (Modulus of Resilience), kJ/m3 870
130
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
40
Thermal Shock Resistance, points 41
11

Alloy Composition

Aluminum (Al), % 0
91.7 to 93.4
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.15
Magnesium (Mg), % 0
6.5 to 7.5
Manganese (Mn), % 0
0 to 0.050
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