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Grade Ti-Pd18 Titanium vs. 358.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 358.0 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 358.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 17
3.5 to 6.0
Fatigue Strength, MPa 350
100 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
350 to 370
Tensile Strength: Yield (Proof), MPa 540
290 to 320

Thermal Properties

Latent Heat of Fusion, J/g 410
520
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
600
Melting Onset (Solidus), °C 1590
560
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
150
Thermal Expansion, µm/m-K 9.1
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
36
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
130

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.6
Embodied Carbon, kg CO2/kg material 41
8.7
Embodied Energy, MJ/kg 670
160
Embodied Water, L/kg 270
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
12 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
590 to 710
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
53
Strength to Weight: Axial, points 44
37 to 39
Strength to Weight: Bending, points 39
42 to 44
Thermal Diffusivity, mm2/s 3.3
63
Thermal Shock Resistance, points 52
16 to 17

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
89.1 to 91.8
Beryllium (Be), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.3
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.2
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
7.6 to 8.6
Titanium (Ti), % 92.5 to 95.5
0.1 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15