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Titanium 6-2-4-2 vs. 390.0 Aluminum

Titanium 6-2-4-2 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 6-2-4-2 and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
75
Elongation at Break, % 8.6
1.0
Fatigue Strength, MPa 490
76 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 950
280 to 300
Tensile Strength: Yield (Proof), MPa 880
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
640
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1590
650
Melting Onset (Solidus), °C 1540
560
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 6.9
130
Thermal Expansion, µm/m-K 9.5
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 42
11
Density, g/cm3 4.6
2.7
Embodied Carbon, kg CO2/kg material 32
7.3
Embodied Energy, MJ/kg 520
130
Embodied Water, L/kg 210
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
52
Strength to Weight: Axial, points 57
28 to 30
Strength to Weight: Bending, points 46
35 to 36
Thermal Diffusivity, mm2/s 2.8
56
Thermal Shock Resistance, points 67
14 to 15

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
74.5 to 79.6
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 1.8 to 2.2
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
16 to 18
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0
0 to 0.2