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EN AC-51500 Aluminum vs. Titanium 6-2-4-2

EN AC-51500 aluminum belongs to the aluminum alloys classification, while titanium 6-2-4-2 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 EN AC-51500 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 5.6
8.6
Fatigue Strength, MPa 120
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 280
950
Tensile Strength: Yield (Proof), MPa 160
880

Thermal Properties

Latent Heat of Fusion, J/g 430
400
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 630
1590
Melting Onset (Solidus), °C 590
1540
Specific Heat Capacity, J/kg-K 910
540
Thermal Conductivity, W/m-K 120
6.9
Thermal Expansion, µm/m-K 23
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 88
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
42
Density, g/cm3 2.6
4.6
Embodied Carbon, kg CO2/kg material 9.0
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
79
Resilience: Unit (Modulus of Resilience), kJ/m3 190
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
34
Strength to Weight: Axial, points 29
57
Strength to Weight: Bending, points 36
46
Thermal Diffusivity, mm2/s 49
2.8
Thermal Shock Resistance, points 13
67

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.25
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 1.8 to 2.6
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.25
83.7 to 87.2
Zinc (Zn), % 0 to 0.070
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4