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5040 Aluminum vs. Grade Ti-Pd18 Titanium

5040 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium 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 5040 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 66 to 74
320
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 5.7 to 6.8
17
Fatigue Strength, MPa 100 to 130
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 240 to 260
710
Tensile Strength: Yield (Proof), MPa 190 to 230
540

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 190
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 600
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 160
8.2
Thermal Expansion, µm/m-K 23
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.3
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 24 to 26
44
Strength to Weight: Bending, points 31 to 32
39
Thermal Diffusivity, mm2/s 64
3.3
Thermal Shock Resistance, points 10 to 11
52

Alloy Composition

Aluminum (Al), % 95.2 to 98
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 1.0 to 1.5
0
Manganese (Mn), % 0.9 to 1.4
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.4