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Grade 27 Titanium vs. 5383 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 5383 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 27 titanium and the bottom bar is 5383 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 27
6.7 to 15
Fatigue Strength, MPa 170
130 to 200
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 180
190 to 220
Tensile Strength: Ultimate (UTS), MPa 270
310 to 370
Tensile Strength: Yield (Proof), MPa 230
150 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
540
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
29
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
97

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
9.0
Embodied Energy, MJ/kg 530
160
Embodied Water, L/kg 320
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
23 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170 to 690
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 17
32 to 38
Strength to Weight: Bending, points 21
38 to 42
Thermal Diffusivity, mm2/s 8.8
51
Thermal Shock Resistance, points 21
14 to 16

Alloy Composition

Aluminum (Al), % 0
92 to 95.3
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.25
Magnesium (Mg), % 0
4.0 to 5.2
Manganese (Mn), % 0
0.7 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.25
Titanium (Ti), % 99 to 99.92
0 to 0.15
Zinc (Zn), % 0
0 to 0.4
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15