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Grade 33 Titanium vs. 5456 Aluminum

Grade 33 titanium belongs to the titanium alloys classification, while 5456 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 33 titanium and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 23
11 to 18
Fatigue Strength, MPa 250
130 to 210
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 240
190 to 210
Tensile Strength: Ultimate (UTS), MPa 390
320 to 340
Tensile Strength: Yield (Proof), MPa 350
150 to 250

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
570
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
97

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
9.0
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 200
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
33 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 590
170 to 470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 24
33 to 35
Strength to Weight: Bending, points 26
38 to 40
Thermal Diffusivity, mm2/s 8.7
48
Thermal Shock Resistance, points 30
14 to 15

Alloy Composition

Aluminum (Al), % 0
92 to 94.8
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0.050 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.4
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0
0.5 to 1.0
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.25
Titanium (Ti), % 98.1 to 99.52
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15