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ISO-WD43150 Magnesium vs. Grade 19 Titanium

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 28 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 ISO-WD43150 magnesium and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.8
5.6 to 17
Fatigue Strength, MPa 100
550 to 620
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
47
Shear Strength, MPa 140
550 to 750
Tensile Strength: Ultimate (UTS), MPa 250
890 to 1300
Tensile Strength: Yield (Proof), MPa 150
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 95
370
Melting Completion (Liquidus), °C 610
1660
Melting Onset (Solidus), °C 590
1600
Specific Heat Capacity, J/kg-K 990
520
Thermal Conductivity, W/m-K 140
6.2
Thermal Expansion, µm/m-K 27
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 1.7
5.0
Embodied Carbon, kg CO2/kg material 24
47
Embodied Energy, MJ/kg 160
760
Embodied Water, L/kg 970
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
3040 to 5530
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
33
Strength to Weight: Axial, points 41
49 to 72
Strength to Weight: Bending, points 52
41 to 53
Thermal Diffusivity, mm2/s 81
2.4
Thermal Shock Resistance, points 14
57 to 83

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0
0 to 0.3
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Silicon (Si), % 0 to 0.1
0
Titanium (Ti), % 0
71.1 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0 to 0.3
0 to 0.4