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Grade Ti-Pd18 Titanium vs. C443.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while C443.0 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 C443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
65
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 17
9.0
Fatigue Strength, MPa 350
120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
230
Tensile Strength: Yield (Proof), MPa 540
100

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
630
Melting Onset (Solidus), °C 1590
600
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
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
120

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
7.9
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
17
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
70
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 44
24
Strength to Weight: Bending, points 39
31
Thermal Diffusivity, mm2/s 3.3
58
Thermal Shock Resistance, points 52
10

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
89.6 to 95.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 2.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.050
0 to 0.5
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
4.5 to 6.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25