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850.0 Aluminum vs. Grade C-2 Titanium

850.0 aluminum belongs to the aluminum alloys classification, while grade C-2 titanium belongs to the titanium alloys. There are 30 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 850.0 aluminum and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
180
Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 7.9
17
Fatigue Strength, MPa 59
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 140
390
Tensile Strength: Yield (Proof), MPa 76
310

Thermal Properties

Latent Heat of Fusion, J/g 380
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 370
1610
Specific Heat Capacity, J/kg-K 850
540
Thermal Conductivity, W/m-K 180
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.5
31
Embodied Energy, MJ/kg 160
510
Embodied Water, L/kg 1160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
61
Resilience: Unit (Modulus of Resilience), kJ/m3 42
460
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 69
8.8
Thermal Shock Resistance, points 6.1
30

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
0
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 0.2
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 0.4
Silicon (Si), % 0 to 0.7
0
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
98.8 to 100
Residuals, % 0
0 to 0.4