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EN AC-44000 Aluminum vs. Grade 12 Titanium

EN AC-44000 aluminum belongs to the aluminum alloys classification, while grade 12 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 EN AC-44000 aluminum and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
170
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 7.3
21
Fatigue Strength, MPa 64
280
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 180
530
Tensile Strength: Yield (Proof), MPa 86
410

Thermal Properties

Latent Heat of Fusion, J/g 560
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 590
1660
Melting Onset (Solidus), °C 590
1610
Specific Heat Capacity, J/kg-K 910
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 21
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.5
4.5
Embodied Carbon, kg CO2/kg material 7.8
31
Embodied Energy, MJ/kg 150
500
Embodied Water, L/kg 1070
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110
Resilience: Unit (Modulus of Resilience), kJ/m3 51
770
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
35
Strength to Weight: Axial, points 20
32
Strength to Weight: Bending, points 28
32
Thermal Diffusivity, mm2/s 61
8.5
Thermal Shock Resistance, points 8.4
37

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.19
0 to 0.3
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.6 to 0.9
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 10 to 11.8
0
Titanium (Ti), % 0 to 0.15
97.6 to 99.2
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.4