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Grade Ti-Pd18 Titanium vs. 3203 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 3203 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 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
4.5 to 29
Fatigue Strength, MPa 350
46 to 92
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
110 to 200
Tensile Strength: Yield (Proof), MPa 540
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
650
Melting Onset (Solidus), °C 1590
620
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
170
Thermal Expansion, µm/m-K 9.1
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
43
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 41
8.1
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
11 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
11 to 20
Strength to Weight: Bending, points 39
19 to 28
Thermal Diffusivity, mm2/s 3.3
70
Thermal Shock Resistance, points 52
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
96.9 to 99
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Manganese (Mn), % 0
1.0 to 1.5
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 0.6
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15