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Grade Ti-Pd18 Titanium vs. 707.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 707.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
1.7 to 3.4
Fatigue Strength, MPa 350
75 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
270 to 300
Tensile Strength: Yield (Proof), MPa 540
170 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
630
Melting Onset (Solidus), °C 1590
600
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 8.2
150
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.9
Embodied Carbon, kg CO2/kg material 41
8.3
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.3 to 8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
210 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
47
Strength to Weight: Axial, points 44
26 to 29
Strength to Weight: Bending, points 39
32 to 34
Thermal Diffusivity, mm2/s 3.3
58
Thermal Shock Resistance, points 52
12 to 13

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
90.5 to 93.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.8
Magnesium (Mg), % 0
1.8 to 2.4
Manganese (Mn), % 0
0.4 to 0.6
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 0.2
Titanium (Ti), % 92.5 to 95.5
0 to 0.25
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
4.0 to 4.5
Residuals, % 0
0 to 0.15