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EN AC-45400 Aluminum vs. Titanium 6-2-4-2

EN AC-45400 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-45400 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 6.7
8.6
Fatigue Strength, MPa 55
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 260
950
Tensile Strength: Yield (Proof), MPa 130
880

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 630
1590
Melting Onset (Solidus), °C 560
1540
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 140
6.9
Thermal Expansion, µm/m-K 22
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 95
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
42
Density, g/cm3 2.8
4.6
Embodied Carbon, kg CO2/kg material 7.8
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1100
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
79
Resilience: Unit (Modulus of Resilience), kJ/m3 110
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
34
Strength to Weight: Axial, points 25
57
Strength to Weight: Bending, points 32
46
Thermal Diffusivity, mm2/s 54
2.8
Thermal Shock Resistance, points 12
67

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 2.6 to 3.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.55
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 4.5 to 6.0
0.060 to 0.12
Tin (Sn), % 0 to 0.050
1.8 to 2.2
Titanium (Ti), % 0 to 0.25
83.7 to 87.2
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4