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EN AC-45100 Aluminum vs. Titanium 6-6-2

EN AC-45100 aluminum belongs to the aluminum alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN AC-45100 aluminum and the bottom bar is titanium 6-6-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.0 to 2.8
6.7 to 9.0
Fatigue Strength, MPa 82 to 99
590 to 670
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 300 to 360
1140 to 1370
Tensile Strength: Yield (Proof), MPa 210 to 320
1040 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 630
1610
Melting Onset (Solidus), °C 550
1560
Specific Heat Capacity, J/kg-K 890
540
Thermal Conductivity, W/m-K 140
5.5
Thermal Expansion, µm/m-K 22
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 2.8
4.8
Embodied Carbon, kg CO2/kg material 7.9
29
Embodied Energy, MJ/kg 150
470
Embodied Water, L/kg 1100
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
89 to 99
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
34
Strength to Weight: Axial, points 30 to 35
66 to 79
Strength to Weight: Bending, points 35 to 39
50 to 57
Thermal Diffusivity, mm2/s 54
2.1
Thermal Shock Resistance, points 14 to 16
75 to 90

Alloy Composition

Aluminum (Al), % 88 to 92.8
5.0 to 6.0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 2.6 to 3.6
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.6
0.35 to 1.0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0
Molybdenum (Mo), % 0
5.0 to 6.0
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
1.5 to 2.5
Titanium (Ti), % 0 to 0.25
82.8 to 87.8
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4