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3003 Aluminum vs. Grade 25 Titanium

3003 aluminum belongs to the aluminum alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 3003 aluminum and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 28
11
Fatigue Strength, MPa 39 to 90
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 68 to 130
600
Tensile Strength: Ultimate (UTS), MPa 110 to 240
1000
Tensile Strength: Yield (Proof), MPa 40 to 210
940

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
340
Melting Completion (Liquidus), °C 650
1610
Melting Onset (Solidus), °C 640
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 180
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.8
4.5
Embodied Carbon, kg CO2/kg material 8.1
43
Embodied Energy, MJ/kg 150
700
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 0.95 to 63
110
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 300
4220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 11 to 24
62
Strength to Weight: Bending, points 18 to 30
50
Thermal Diffusivity, mm2/s 71
2.8
Thermal Shock Resistance, points 4.7 to 10
71

Alloy Composition

Aluminum (Al), % 96.8 to 99
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.050 to 0.2
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.7
0 to 0.4
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4