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4032 Aluminum vs. Grade 27 Titanium

4032 aluminum belongs to the aluminum alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4032 aluminum and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 6.7
27
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
41
Shear Strength, MPa 260
180
Tensile Strength: Ultimate (UTS), MPa 390
270
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 570
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 570
1660
Melting Onset (Solidus), °C 530
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 19
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 7.8
33
Embodied Energy, MJ/kg 140
530
Embodied Water, L/kg 1030
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
70
Resilience: Unit (Modulus of Resilience), kJ/m3 700
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
35
Strength to Weight: Axial, points 41
17
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 59
8.8
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.2
Magnesium (Mg), % 0.8 to 1.3
0
Nickel (Ni), % 0.5 to 1.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 11 to 13.5
0
Titanium (Ti), % 0
99 to 99.92
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.4