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EN AC-43100 Aluminum vs. Grade 12 Titanium

EN AC-43100 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-43100 aluminum and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 94
170
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 1.1 to 2.5
21
Fatigue Strength, MPa 68 to 76
280
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 180 to 270
530
Tensile Strength: Yield (Proof), MPa 97 to 230
410

Thermal Properties

Latent Heat of Fusion, J/g 540
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 600
1660
Melting Onset (Solidus), °C 590
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 22
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
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 2.9 to 5.7
110
Resilience: Unit (Modulus of Resilience), kJ/m3 66 to 360
770
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
35
Strength to Weight: Axial, points 20 to 29
32
Strength to Weight: Bending, points 28 to 36
32
Thermal Diffusivity, mm2/s 60
8.5
Thermal Shock Resistance, points 8.6 to 12
37

Alloy Composition

Aluminum (Al), % 86.9 to 90.8
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.55
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.45
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.050
0.6 to 0.9
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 9.0 to 11
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
97.6 to 99.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4