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4015 Aluminum vs. Grade Ti-Pd7B Titanium

4015 aluminum belongs to the aluminum alloys classification, while grade Ti-Pd7B 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 Ti-Pd7B titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 35 to 70
180
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 23
17
Fatigue Strength, MPa 46 to 71
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 130 to 220
390
Tensile Strength: Yield (Proof), MPa 50 to 200
310

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
22
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 130
7.1

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.1
49
Embodied Energy, MJ/kg 150
840
Embodied Water, L/kg 1160
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4 to 24
62
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 290
440
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
8.9
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 0.1
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.2
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Silicon (Si), % 1.4 to 2.2
0
Titanium (Ti), % 0
98.8 to 99.9
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4