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Annealed Grade 28 Titanium vs. ISO-WD21150-O

Annealed grade 28 titanium 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 grade 28 titanium and the bottom bar is ISO-WD21150-O.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 17
11
Fatigue Strength, MPa 350
120
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
17
Shear Strength, MPa 440
150
Tensile Strength: Ultimate (UTS), MPa 710
240
Tensile Strength: Yield (Proof), MPa 540
120

Thermal Properties

Latent Heat of Fusion, J/g 410
350
Maximum Temperature: Mechanical, °C 330
110
Melting Completion (Liquidus), °C 1640
600
Melting Onset (Solidus), °C 1590
550
Specific Heat Capacity, J/kg-K 550
990
Thermal Conductivity, W/m-K 8.3
100
Thermal Expansion, µm/m-K 9.9
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
100

Otherwise Unclassified Properties

Base Metal Price, % relative 36
12
Density, g/cm3 4.5
1.7
Embodied Carbon, kg CO2/kg material 37
23
Embodied Energy, MJ/kg 600
160
Embodied Water, L/kg 370
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
23
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
70
Strength to Weight: Axial, points 44
40
Strength to Weight: Bending, points 39
52
Thermal Diffusivity, mm2/s 3.4
60
Thermal Shock Resistance, points 48
15

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
2.4 to 3.6
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 92.4 to 95.4
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3