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3003 Aluminum vs. Grade 2 Titanium

3003 aluminum belongs to the aluminum alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 31 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 3003 aluminum and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 65
150
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 28
23
Fatigue Strength, MPa 39 to 90
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
38
Shear Strength, MPa 68 to 130
270
Tensile Strength: Ultimate (UTS), MPa 110 to 240
420
Tensile Strength: Yield (Proof), MPa 40 to 210
360

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 650
1660
Melting Onset (Solidus), °C 640
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 180
22
Thermal Expansion, µm/m-K 23
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.1
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1180
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
92
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 11 to 24
26
Strength to Weight: Bending, points 18 to 30
28
Thermal Diffusivity, mm2/s 71
8.9
Thermal Shock Resistance, points 4.7 to 10
32

Alloy Composition

Aluminum (Al), % 96.8 to 99
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.050 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.3
Manganese (Mn), % 1.0 to 1.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0
98.9 to 100
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4