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201.0 Aluminum vs. Grade 27 Titanium

201.0 aluminum belongs to the aluminum alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 201.0 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, % 4.4 to 20
27
Fatigue Strength, MPa 120 to 150
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Shear Strength, MPa 290
180
Tensile Strength: Ultimate (UTS), MPa 370 to 470
270
Tensile Strength: Yield (Proof), MPa 220 to 400
230

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 570
1610
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 19
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30 to 33
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 97
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 38
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.7
33
Embodied Energy, MJ/kg 160
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 63
70
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 1160
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 33 to 42
17
Strength to Weight: Bending, points 37 to 44
21
Thermal Diffusivity, mm2/s 45
8.8
Thermal Shock Resistance, points 19 to 25
21

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.0 to 5.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.15
0 to 0.2
Magnesium (Mg), % 0.15 to 0.55
0
Manganese (Mn), % 0.2 to 0.5
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), % 0 to 0.1
0
Silver (Ag), % 0.4 to 1.0
0
Titanium (Ti), % 0.15 to 0.35
99 to 99.92
Residuals, % 0
0 to 0.4