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Grade 33 Titanium vs. 6008 Aluminum

Grade 33 titanium belongs to the titanium alloys classification, while 6008 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 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 23
9.1 to 17
Fatigue Strength, MPa 250
55 to 88
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 240
120 to 170
Tensile Strength: Ultimate (UTS), MPa 390
200 to 290
Tensile Strength: Yield (Proof), MPa 350
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
620
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
190
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
49
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
160

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 33
8.5
Embodied Energy, MJ/kg 530
160
Embodied Water, L/kg 200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 590
76 to 360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 24
21 to 29
Strength to Weight: Bending, points 26
28 to 35
Thermal Diffusivity, mm2/s 8.7
77
Thermal Shock Resistance, points 30
9.0 to 13

Alloy Composition

Aluminum (Al), % 0
96.5 to 99.1
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.3
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
0.5 to 0.9
Titanium (Ti), % 98.1 to 99.52
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15