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240.0 Aluminum vs. Grade 27 Titanium

240.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is 240.0 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.0
27
Fatigue Strength, MPa 140
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 240
270
Tensile Strength: Yield (Proof), MPa 200
230

Thermal Properties

Latent Heat of Fusion, J/g 380
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 600
1660
Melting Onset (Solidus), °C 520
1610
Specific Heat Capacity, J/kg-K 860
540
Thermal Conductivity, W/m-K 96
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 65
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 3.2
4.5
Embodied Carbon, kg CO2/kg material 8.7
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
70
Resilience: Unit (Modulus of Resilience), kJ/m3 280
240
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 43
35
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 35
8.8
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 7.0 to 9.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0
Nickel (Ni), % 0.3 to 0.7
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 0.5
0
Titanium (Ti), % 0 to 0.2
99 to 99.92
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4