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Titanium 6-5-0.5 vs. 204.0 Aluminum

Titanium 6-5-0.5 belongs to the titanium alloys classification, while 204.0 aluminum belongs to the aluminum 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 titanium 6-5-0.5 and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 6.7
5.7 to 7.8
Fatigue Strength, MPa 530
63 to 77
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1080
230 to 340
Tensile Strength: Yield (Proof), MPa 990
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
580
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 4.2
120
Thermal Expansion, µm/m-K 9.4
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 41
11
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.0
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
220 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 67
21 to 31
Strength to Weight: Bending, points 52
28 to 36
Thermal Diffusivity, mm2/s 1.7
46
Thermal Shock Resistance, points 79
12 to 18

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
93.4 to 95.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.2 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.35
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0.25 to 0.75
0
Nickel (Ni), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 85.6 to 90.1
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0 to 0.15