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Grade Ti-Pd18 Titanium vs. 204.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 29 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 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
90 to 120
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 17
5.7 to 7.8
Fatigue Strength, MPa 350
63 to 77
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
230 to 340
Tensile Strength: Yield (Proof), MPa 540
180 to 220

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
580
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 8.2
120
Thermal Expansion, µm/m-K 9.1
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
87 to 100

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 41
8.0
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
220 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 44
21 to 31
Strength to Weight: Bending, points 39
28 to 36
Thermal Diffusivity, mm2/s 3.3
46
Thermal Shock Resistance, points 52
12 to 18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
93.4 to 95.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
4.2 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 92.5 to 95.5
0.15 to 0.3
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15