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Annealed Titanium 6-6-2 vs. ISO-WD21150-O

Annealed titanium 6-6-2 belongs to the titanium alloys classification, while ISO-WD21150-O belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is annealed titanium 6-6-2 and the bottom bar is ISO-WD21150-O.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 9.0
11
Fatigue Strength, MPa 590
120
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 44
17
Shear Strength, MPa 670
150
Tensile Strength: Ultimate (UTS), MPa 1140
240
Tensile Strength: Yield (Proof), MPa 1040
120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 310
110
Melting Completion (Liquidus), °C 1610
600
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 540
990
Thermal Conductivity, W/m-K 5.5
100
Thermal Expansion, µm/m-K 9.4
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 40
12
Density, g/cm3 4.8
1.7
Embodied Carbon, kg CO2/kg material 29
23
Embodied Energy, MJ/kg 470
160
Embodied Water, L/kg 200
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
23
Resilience: Unit (Modulus of Resilience), kJ/m3 4710
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
70
Strength to Weight: Axial, points 66
40
Strength to Weight: Bending, points 50
52
Thermal Diffusivity, mm2/s 2.1
60
Thermal Shock Resistance, points 75
15

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
2.4 to 3.6
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 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 5.0 to 6.0
0
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3