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A357.0 Aluminum vs. Grade Ti-Pd18 Titanium

A357.0 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium 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 A357.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
320
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.7
17
Fatigue Strength, MPa 100
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 350
710
Tensile Strength: Yield (Proof), MPa 270
540

Thermal Properties

Latent Heat of Fusion, J/g 500
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 610
1640
Melting Onset (Solidus), °C 560
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 160
8.2
Thermal Expansion, µm/m-K 21
9.1

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.2
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
110
Resilience: Unit (Modulus of Resilience), kJ/m3 520
1380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 38
44
Strength to Weight: Bending, points 43
39
Thermal Diffusivity, mm2/s 68
3.3
Thermal Shock Resistance, points 17
52

Alloy Composition

Aluminum (Al), % 90.8 to 93
2.5 to 3.5
Beryllium (Be), % 0.040 to 0.070
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.25
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.1
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), % 6.5 to 7.5
0
Titanium (Ti), % 0.040 to 0.2
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4