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A242.0 Aluminum vs. Grade Ti-Pd8A Titanium

A242.0 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd8A titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is A242.0 aluminum and the bottom bar is grade Ti-Pd8A titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
200
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.6
13
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 220
500

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 210
320
Melting Completion (Liquidus), °C 680
1660
Melting Onset (Solidus), °C 550
1610
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.9

Otherwise Unclassified Properties

Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.3
49
Embodied Energy, MJ/kg 150
840
Embodied Water, L/kg 1130
520

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 20
31
Strength to Weight: Bending, points 26
31
Thermal Diffusivity, mm2/s 52
8.6
Thermal Shock Resistance, points 9.3
39

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.25
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0.070 to 0.2
98.8 to 99.9
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4