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Titanium 6-6-2 vs. EN AC-42200 Aluminum

Titanium 6-6-2 belongs to the titanium alloys classification, while EN AC-42200 aluminum belongs to the aluminum 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 titanium 6-6-2 and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 6.7 to 9.0
3.0 to 6.7
Fatigue Strength, MPa 590 to 670
86 to 90
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 44
26
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
320
Tensile Strength: Yield (Proof), MPa 1040 to 1230
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
500
Maximum Temperature: Mechanical, °C 310
170
Melting Completion (Liquidus), °C 1610
610
Melting Onset (Solidus), °C 1560
600
Specific Heat Capacity, J/kg-K 540
910
Thermal Conductivity, W/m-K 5.5
150
Thermal Expansion, µm/m-K 9.4
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
140

Otherwise Unclassified Properties

Base Metal Price, % relative 40
9.5
Density, g/cm3 4.8
2.6
Embodied Carbon, kg CO2/kg material 29
8.0
Embodied Energy, MJ/kg 470
150
Embodied Water, L/kg 200
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
9.0 to 20
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
53
Strength to Weight: Axial, points 66 to 79
34 to 35
Strength to Weight: Bending, points 50 to 57
40 to 41
Thermal Diffusivity, mm2/s 2.1
66
Thermal Shock Resistance, points 75 to 90
15

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
91 to 93.1
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0.35 to 1.0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.19
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 5.0 to 6.0
0
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
6.5 to 7.5
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1