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4032 Aluminum vs. Grade 20 Titanium

4032 aluminum belongs to the aluminum alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 4032 aluminum and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
120
Elongation at Break, % 6.7
5.7 to 17
Fatigue Strength, MPa 110
550 to 630
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
47
Shear Strength, MPa 260
560 to 740
Tensile Strength: Ultimate (UTS), MPa 390
900 to 1270
Tensile Strength: Yield (Proof), MPa 320
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 570
400
Maximum Temperature: Mechanical, °C 180
370
Melting Completion (Liquidus), °C 570
1660
Melting Onset (Solidus), °C 530
1600
Specific Heat Capacity, J/kg-K 900
520
Thermal Expansion, µm/m-K 19
9.6

Otherwise Unclassified Properties

Density, g/cm3 2.6
5.0
Embodied Carbon, kg CO2/kg material 7.8
52
Embodied Energy, MJ/kg 140
860
Embodied Water, L/kg 1030
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 700
2940 to 5760
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
33
Strength to Weight: Axial, points 41
50 to 70
Strength to Weight: Bending, points 45
41 to 52
Thermal Shock Resistance, points 20
55 to 77

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
5.5 to 6.5
Copper (Cu), % 0.5 to 1.3
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 0.8 to 1.3
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0.5 to 1.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 11 to 13.5
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4