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Grade Ti-Pd18 Titanium vs. EN AC-45100 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN AC-45100 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-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 17
1.0 to 2.8
Fatigue Strength, MPa 350
82 to 99
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
300 to 360
Tensile Strength: Yield (Proof), MPa 540
210 to 320

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
550
Specific Heat Capacity, J/kg-K 550
890
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
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
95

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 41
7.9
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
3.5 to 7.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
290 to 710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 44
30 to 35
Strength to Weight: Bending, points 39
35 to 39
Thermal Diffusivity, mm2/s 3.3
54
Thermal Shock Resistance, points 52
14 to 16

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
88 to 92.8
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
2.6 to 3.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.45
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0 to 0.050
0 to 0.1
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 0.050
Titanium (Ti), % 92.5 to 95.5
0 to 0.25
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15