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4015 Aluminum vs. Grade 30 Titanium

4015 aluminum belongs to the aluminum alloys classification, while grade 30 titanium belongs to the titanium alloys. There are 29 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 4015 aluminum and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 23
23
Fatigue Strength, MPa 46 to 71
250
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 82 to 120
240
Tensile Strength: Ultimate (UTS), MPa 130 to 220
390
Tensile Strength: Yield (Proof), MPa 50 to 200
350

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 600
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 160
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
6.9

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.1
36
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1160
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4 to 24
86
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 290
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 13 to 22
24
Strength to Weight: Bending, points 21 to 30
26
Thermal Diffusivity, mm2/s 66
8.6
Thermal Shock Resistance, points 5.7 to 9.7
30

Alloy Composition

Aluminum (Al), % 94.9 to 97.9
0
Carbon (C), % 0
0 to 0.080
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.3
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 1.4 to 2.2
0
Titanium (Ti), % 0
98 to 99.76
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4