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201.0 Aluminum vs. Grade Ti-Pd18 Titanium

201.0 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 201.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 140
320
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.4 to 20
17
Fatigue Strength, MPa 120 to 150
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 370 to 470
710
Tensile Strength: Yield (Proof), MPa 220 to 400
540

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 570
1590
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 120
8.2
Thermal Expansion, µm/m-K 19
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30 to 33
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 97
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.7
41
Embodied Energy, MJ/kg 160
670

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 63
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 1160
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 33 to 42
44
Strength to Weight: Bending, points 37 to 44
39
Thermal Diffusivity, mm2/s 45
3.3
Thermal Shock Resistance, points 19 to 25
52

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.15
0 to 0.25
Magnesium (Mg), % 0.15 to 0.55
0
Manganese (Mn), % 0.2 to 0.5
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 0.1
0
Silver (Ag), % 0.4 to 1.0
0
Titanium (Ti), % 0.15 to 0.35
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4