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Grade 27 Titanium vs. 332.0 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 332.0 aluminum belongs to the aluminum 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 grade 27 titanium and the bottom bar is 332.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 27
1.0
Fatigue Strength, MPa 170
90
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Shear Strength, MPa 180
190
Tensile Strength: Ultimate (UTS), MPa 270
250
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 420
530
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
580
Melting Onset (Solidus), °C 1610
530
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 21
100
Thermal Expansion, µm/m-K 8.7
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
26
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
84

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 33
7.8
Embodied Energy, MJ/kg 530
140
Embodied Water, L/kg 320
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 240
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 8.8
42
Thermal Shock Resistance, points 21
12

Alloy Composition

Aluminum (Al), % 0
80.1 to 89
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
2.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 1.2
Magnesium (Mg), % 0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
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
8.5 to 10.5
Titanium (Ti), % 99 to 99.92
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5