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Grade Ti-Pd18 Titanium vs. A201.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while A201.0 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 Ti-Pd18 titanium and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 17
4.7
Fatigue Strength, MPa 350
97
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
480
Tensile Strength: Yield (Proof), MPa 540
420

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
650
Melting Onset (Solidus), °C 1590
570
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 8.2
120
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
90

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 41
8.1
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
22
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
1250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 44
44
Strength to Weight: Bending, points 39
45
Thermal Diffusivity, mm2/s 3.3
46
Thermal Shock Resistance, points 52
21

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
93.7 to 95.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.050
Titanium (Ti), % 92.5 to 95.5
0.15 to 0.35
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.1