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850.0 Aluminum vs. Grade Ti-Pd18 Titanium

850.0 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 850.0 aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
320
Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 7.9
17
Fatigue Strength, MPa 59
350
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 140
710
Tensile Strength: Yield (Proof), MPa 76
540

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 190
330
Melting Completion (Liquidus), °C 650
1640
Melting Onset (Solidus), °C 370
1590
Specific Heat Capacity, J/kg-K 850
550
Thermal Conductivity, W/m-K 180
8.2
Thermal Expansion, µm/m-K 23
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.5
41
Embodied Energy, MJ/kg 160
670
Embodied Water, L/kg 1160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
110
Resilience: Unit (Modulus of Resilience), kJ/m3 42
1380
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 12
44
Strength to Weight: Bending, points 19
39
Thermal Diffusivity, mm2/s 69
3.3
Thermal Shock Resistance, points 6.1
52

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0.7 to 1.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0.7 to 1.3
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.7
0
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4