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443.0 Aluminum vs. Grade Ti-Pd18 Titanium

443.0 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 443.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 41
320
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.6
17
Fatigue Strength, MPa 55
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 150
710
Tensile Strength: Yield (Proof), MPa 65
540

Thermal Properties

Latent Heat of Fusion, J/g 470
410
Maximum Temperature: Mechanical, °C 180
330
Melting Completion (Liquidus), °C 630
1640
Melting Onset (Solidus), °C 580
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 150
8.2
Thermal Expansion, µm/m-K 22
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.7

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.0
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1120
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110
Resilience: Unit (Modulus of Resilience), kJ/m3 30
1380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
35
Strength to Weight: Axial, points 16
44
Strength to Weight: Bending, points 23
39
Thermal Diffusivity, mm2/s 61
3.3
Thermal Shock Resistance, points 6.9
52

Alloy Composition

Aluminum (Al), % 90.7 to 95.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 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), % 4.5 to 6.0
0
Titanium (Ti), % 0 to 0.25
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4