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ISO-WD43150 Magnesium vs. Grade 36 Titanium

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 ISO-WD43150 magnesium and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
11
Fatigue Strength, MPa 100
300
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 18
39
Shear Strength, MPa 140
320
Tensile Strength: Ultimate (UTS), MPa 250
530
Tensile Strength: Yield (Proof), MPa 150
520

Thermal Properties

Latent Heat of Fusion, J/g 350
370
Maximum Temperature: Mechanical, °C 95
320
Melting Completion (Liquidus), °C 610
2020
Melting Onset (Solidus), °C 590
1950
Specific Heat Capacity, J/kg-K 990
420
Thermal Expansion, µm/m-K 27
8.1

Otherwise Unclassified Properties

Density, g/cm3 1.7
6.3
Embodied Carbon, kg CO2/kg material 24
58
Embodied Energy, MJ/kg 160
920
Embodied Water, L/kg 970
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
59
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1260
Stiffness to Weight: Axial, points 15
9.3
Stiffness to Weight: Bending, points 71
25
Strength to Weight: Axial, points 41
23
Strength to Weight: Bending, points 52
23
Thermal Shock Resistance, points 14
45

Alloy Composition

Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 0
0 to 0.030
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 0 to 0.1
0
Titanium (Ti), % 0
52.3 to 58
Residuals, % 0 to 0.3
0 to 0.4