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359.0 Aluminum vs. Grade 27 Titanium

359.0 aluminum belongs to the aluminum alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 359.0 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 3.8 to 4.9
27
Fatigue Strength, MPa 100
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Shear Strength, MPa 220 to 230
180
Tensile Strength: Ultimate (UTS), MPa 340 to 350
270
Tensile Strength: Yield (Proof), MPa 250 to 280
230

Thermal Properties

Latent Heat of Fusion, J/g 530
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 600
1660
Melting Onset (Solidus), °C 570
1610
Specific Heat Capacity, J/kg-K 910
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 21
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.0
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1090
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 15
70
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 540
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
35
Strength to Weight: Axial, points 37 to 38
17
Strength to Weight: Bending, points 42 to 43
21
Thermal Diffusivity, mm2/s 59
8.8
Thermal Shock Resistance, points 16 to 17
21

Alloy Composition

Aluminum (Al), % 88.9 to 91
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.2
Magnesium (Mg), % 0.5 to 0.7
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 8.5 to 9.5
0
Titanium (Ti), % 0 to 0.2
99 to 99.92
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4