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B390.0 Aluminum vs. Grade Ti-Pd18 Titanium

B390.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is B390.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 0.88
17
Fatigue Strength, MPa 170
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 29
40
Tensile Strength: Ultimate (UTS), MPa 320
710
Tensile Strength: Yield (Proof), MPa 250
540

Thermal Properties

Latent Heat of Fusion, J/g 640
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 580
1640
Melting Onset (Solidus), °C 580
1590
Specific Heat Capacity, J/kg-K 880
550
Thermal Conductivity, W/m-K 130
8.2
Thermal Expansion, µm/m-K 20
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 88
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 7.3
41
Embodied Energy, MJ/kg 130
670
Embodied Water, L/kg 940
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
35
Strength to Weight: Axial, points 32
44
Strength to Weight: Bending, points 38
39
Thermal Diffusivity, mm2/s 55
3.3
Thermal Shock Resistance, points 15
52

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.3
0 to 0.25
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 16 to 18
0
Titanium (Ti), % 0 to 0.1
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0
0 to 0.4