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Titanium 6-5-0.5 vs. EN AC-21000 Aluminum

Titanium 6-5-0.5 belongs to the titanium alloys classification, while EN AC-21000 aluminum belongs to the aluminum 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 titanium 6-5-0.5 and the bottom bar is EN AC-21000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 6.7
6.7
Fatigue Strength, MPa 530
100
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1080
340
Tensile Strength: Yield (Proof), MPa 990
240

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1610
670
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 550
880
Thermal Conductivity, W/m-K 4.2
130
Thermal Expansion, µm/m-K 9.4
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 41
11
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 33
8.0
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
21
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 67
32
Strength to Weight: Bending, points 52
36
Thermal Diffusivity, mm2/s 1.7
49
Thermal Shock Resistance, points 79
15

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
93.4 to 95.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.2 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.35
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0.25 to 0.75
0
Nickel (Ni), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 85.6 to 90.1
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0 to 0.1