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Grade 33 Titanium vs. 3303 Aluminum

Grade 33 titanium belongs to the titanium alloys classification, while 3303 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 33 titanium and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 23
23
Fatigue Strength, MPa 250
43
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 240
69
Tensile Strength: Ultimate (UTS), MPa 390
110
Tensile Strength: Yield (Proof), MPa 350
39

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
620
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
170
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
43
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 33
8.1
Embodied Energy, MJ/kg 530
150
Embodied Water, L/kg 200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
20
Resilience: Unit (Modulus of Resilience), kJ/m3 590
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 24
11
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 8.7
67
Thermal Shock Resistance, points 30
4.8

Alloy Composition

Aluminum (Al), % 0
96.6 to 99
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0
Copper (Cu), % 0
0.050 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Manganese (Mn), % 0
1.0 to 1.5
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 0.6
Titanium (Ti), % 98.1 to 99.52
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15