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Grade 27 Titanium vs. 213.0 Aluminum

Grade 27 titanium belongs to the titanium alloys classification, while 213.0 aluminum belongs to the aluminum alloys. There are 29 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 213.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 27
1.5
Fatigue Strength, MPa 170
93
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
28
Tensile Strength: Ultimate (UTS), MPa 270
190
Tensile Strength: Yield (Proof), MPa 230
130

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
670
Melting Onset (Solidus), °C 1610
480
Specific Heat Capacity, J/kg-K 540
850
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
34
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
94

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 4.5
3.2
Embodied Carbon, kg CO2/kg material 33
7.7
Embodied Energy, MJ/kg 530
140
Embodied Water, L/kg 320
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
44
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 8.8
49
Thermal Shock Resistance, points 21
8.0

Alloy Composition

Aluminum (Al), % 0
83.5 to 93
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
6.0 to 8.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 1.2
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.6
Nickel (Ni), % 0
0 to 0.35
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
1.0 to 3.0
Titanium (Ti), % 99 to 99.92
0 to 0.25
Zinc (Zn), % 0
0 to 2.5
Residuals, % 0
0 to 0.5