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Grade 5 Titanium vs. 3005 Aluminum

Grade 5 titanium belongs to the titanium alloys classification, while 3005 aluminum belongs to the aluminum alloys. There are 30 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 5 titanium and the bottom bar is 3005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 8.6 to 11
1.1 to 16
Fatigue Strength, MPa 530 to 630
53 to 100
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 600 to 710
84 to 150
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
140 to 270
Tensile Strength: Yield (Proof), MPa 910 to 1110
51 to 240

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1610
660
Melting Onset (Solidus), °C 1650
640
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 6.8
160
Thermal Expansion, µm/m-K 8.9
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.8
Embodied Carbon, kg CO2/kg material 38
8.2
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
2.2 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
18 to 390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 62 to 75
14 to 27
Strength to Weight: Bending, points 50 to 56
21 to 33
Thermal Diffusivity, mm2/s 2.7
64
Thermal Shock Resistance, points 76 to 91
6.0 to 12

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
95.7 to 98.8
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0
1.0 to 1.5
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.6
Titanium (Ti), % 87.4 to 91
0 to 0.1
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants