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Grade 27 Titanium vs. 710.0 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 710.0 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 27 titanium and the bottom bar is 710.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 27
2.2 to 3.6
Fatigue Strength, MPa 170
55 to 110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
26
Shear Strength, MPa 180
180
Tensile Strength: Ultimate (UTS), MPa 270
240 to 250
Tensile Strength: Yield (Proof), MPa 230
160

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
610
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 21
140
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
35
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.0
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 320
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
4.9 to 7.9
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180 to 190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 21
29
Thermal Diffusivity, mm2/s 8.8
53
Thermal Shock Resistance, points 21
10 to 11

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.1
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.35 to 0.65
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.5
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 0
0 to 0.050
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 0.15
Titanium (Ti), % 99 to 99.92
0 to 0.25
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15