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Grade Ti-Pd8A Titanium vs. 5254 Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 5254 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-Pd8A titanium and the bottom bar is 5254 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 13
3.4 to 22
Fatigue Strength, MPa 260
110 to 160
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 500
240 to 350
Tensile Strength: Yield (Proof), MPa 430
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
590
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
32
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 49
8.8
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
11 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 880
73 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 31
25 to 37
Strength to Weight: Bending, points 31
32 to 41
Thermal Diffusivity, mm2/s 8.6
52
Thermal Shock Resistance, points 39
10 to 16

Alloy Composition


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Aluminum (Al), % 0
94.4 to 96.8
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.45
Magnesium (Mg), % 0
3.1 to 3.9
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Silicon (Si), % 0
0 to 0.45
Titanium (Ti), % 98.8 to 99.9
0 to 0.050
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0 to 0.4
0 to 0.15