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Grade C-5 Titanium vs. 850.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 850.0 aluminum belongs to the aluminum 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 grade C-5 titanium and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
45
Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 6.7
7.9
Fatigue Strength, MPa 510
59
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
140
Tensile Strength: Yield (Proof), MPa 940
76

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
190
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
370
Specific Heat Capacity, J/kg-K 560
850
Thermal Conductivity, W/m-K 7.1
180
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
47
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 36
14
Density, g/cm3 4.4
3.1
Embodied Carbon, kg CO2/kg material 38
8.5
Embodied Energy, MJ/kg 610
160
Embodied Water, L/kg 200
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
42
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
44
Strength to Weight: Axial, points 63
12
Strength to Weight: Bending, points 50
19
Thermal Diffusivity, mm2/s 2.9
69
Thermal Shock Resistance, points 71
6.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
88.3 to 93.1
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0.7 to 1.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.050
0.7 to 1.3
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.7
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 87.5 to 91
0 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.3