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Grade Ti-Pd18 Titanium vs. EN AC-43400 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN AC-43400 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is EN AC-43400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
80
Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 17
1.1
Fatigue Strength, MPa 350
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
270
Tensile Strength: Yield (Proof), MPa 540
160

Thermal Properties

Latent Heat of Fusion, J/g 410
540
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
600
Melting Onset (Solidus), °C 1590
590
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
140
Thermal Expansion, µm/m-K 9.1
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.6
Embodied Carbon, kg CO2/kg material 41
7.8
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
54
Strength to Weight: Axial, points 44
29
Strength to Weight: Bending, points 39
36
Thermal Diffusivity, mm2/s 3.3
59
Thermal Shock Resistance, points 52
12

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
86 to 90.8
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.0
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0 to 0.050
0 to 0.15
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 92.5 to 95.5
0 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15