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712.0 Aluminum vs. Grade Ti-Pd18 Titanium

712.0 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 (4, in this case) are not shown.

For each property being compared, the top bar is 712.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
320
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.5 to 4.7
17
Fatigue Strength, MPa 140 to 180
350
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 250 to 260
710
Tensile Strength: Yield (Proof), MPa 180 to 200
540

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 190
330
Melting Completion (Liquidus), °C 640
1640
Melting Onset (Solidus), °C 610
1590
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 160
8.2
Thermal Expansion, µm/m-K 24
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.0
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 270
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 24 to 25
44
Strength to Weight: Bending, points 30 to 31
39
Thermal Diffusivity, mm2/s 62
3.3
Thermal Shock Resistance, points 11
52

Alloy Composition

Aluminum (Al), % 90.7 to 94
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 0.5 to 0.65
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), % 0 to 0.3
0
Titanium (Ti), % 0.15 to 0.25
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 5.0 to 6.5
0
Residuals, % 0
0 to 0.4