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Grade Ti-Pd18 Titanium vs. EN AC-42200 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN AC-42200 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-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
3.0 to 6.7
Fatigue Strength, MPa 350
86 to 90
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
320
Tensile Strength: Yield (Proof), MPa 540
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 410
500
Maximum Temperature: Mechanical, °C 330
170
Melting Completion (Liquidus), °C 1640
610
Melting Onset (Solidus), °C 1590
600
Specific Heat Capacity, J/kg-K 550
910
Thermal Conductivity, W/m-K 8.2
150
Thermal Expansion, µm/m-K 9.1
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.6
Embodied Carbon, kg CO2/kg material 41
8.0
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
410 to 490
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
53
Strength to Weight: Axial, points 44
34 to 35
Strength to Weight: Bending, points 39
40 to 41
Thermal Diffusivity, mm2/s 3.3
66
Thermal Shock Resistance, points 52
15

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
91 to 93.1
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 0.19
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 0
0 to 0.1
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
6.5 to 7.5
Titanium (Ti), % 92.5 to 95.5
0 to 0.25
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1