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Grade 11 Titanium vs. ISO-WD43150 Magnesium

Grade 11 titanium belongs to the titanium alloys classification, while ISO-WD43150 magnesium belongs to the magnesium 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. 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 grade 11 titanium and the bottom bar is ISO-WD43150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 29
2.8
Fatigue Strength, MPa 170
100
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
18
Shear Strength, MPa 200
140
Tensile Strength: Ultimate (UTS), MPa 310
250
Tensile Strength: Yield (Proof), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 420
350
Maximum Temperature: Mechanical, °C 320
95
Melting Completion (Liquidus), °C 1660
610
Melting Onset (Solidus), °C 1610
590
Specific Heat Capacity, J/kg-K 540
990
Thermal Conductivity, W/m-K 22
140
Thermal Expansion, µm/m-K 9.2
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
31
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
170

Otherwise Unclassified Properties

Density, g/cm3 4.5
1.7
Embodied Carbon, kg CO2/kg material 47
24
Embodied Energy, MJ/kg 800
160
Embodied Water, L/kg 470
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 240
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
71
Strength to Weight: Axial, points 19
41
Strength to Weight: Bending, points 22
52
Thermal Diffusivity, mm2/s 8.9
81
Thermal Shock Resistance, points 22
14

Alloy Composition

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 0.2
0
Magnesium (Mg), % 0
97.5 to 98.8
Manganese (Mn), % 0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 98.8 to 99.88
0
Residuals, % 0 to 0.4
0 to 0.3