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3003 Aluminum vs. Grade 35 Titanium

3003 aluminum belongs to the aluminum alloys classification, while grade 35 titanium belongs to the titanium 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 3003 aluminum and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 28
5.6
Fatigue Strength, MPa 39 to 90
330
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 68 to 130
580
Tensile Strength: Ultimate (UTS), MPa 110 to 240
1000
Tensile Strength: Yield (Proof), MPa 40 to 210
630

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 650
1630
Melting Onset (Solidus), °C 640
1580
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 180
7.4
Thermal Expansion, µm/m-K 23
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.8
4.6
Embodied Carbon, kg CO2/kg material 8.1
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
49
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 11 to 24
61
Strength to Weight: Bending, points 18 to 30
49
Thermal Diffusivity, mm2/s 71
3.0
Thermal Shock Resistance, points 4.7 to 10
70

Alloy Composition

Aluminum (Al), % 96.8 to 99
4.0 to 5.0
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
0.2 to 0.8
Manganese (Mn), % 1.0 to 1.5
0
Molybdenum (Mo), % 0
1.5 to 2.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0 to 0.6
0.2 to 0.4
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4