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Titanium 6-5-0.5 vs. 390.0 Aluminum

Titanium 6-5-0.5 belongs to the titanium alloys classification, while 390.0 aluminum belongs to the aluminum alloys. There are 29 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 titanium 6-5-0.5 and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
75
Elongation at Break, % 6.7
1.0
Fatigue Strength, MPa 530
76 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 1080
280 to 300
Tensile Strength: Yield (Proof), MPa 990
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
640
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
560
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 4.2
130
Thermal Expansion, µm/m-K 9.4
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 41
11
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
7.3
Embodied Energy, MJ/kg 540
130
Embodied Water, L/kg 180
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 67
28 to 30
Strength to Weight: Bending, points 52
35 to 36
Thermal Diffusivity, mm2/s 1.7
56
Thermal Shock Resistance, points 79
14 to 15

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
74.5 to 79.6
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Silicon (Si), % 0 to 0.4
16 to 18
Titanium (Ti), % 85.6 to 90.1
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0 to 0.2