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EN-MC65220 Magnesium vs. Grade 19 Titanium

EN-MC65220 magnesium belongs to the magnesium alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 27 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 EN-MC65220 magnesium and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
5.6 to 17
Fatigue Strength, MPa 110
550 to 620
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
47
Shear Strength, MPa 150
550 to 750
Tensile Strength: Ultimate (UTS), MPa 270
890 to 1300
Tensile Strength: Yield (Proof), MPa 200
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
370
Melting Completion (Liquidus), °C 610
1660
Melting Onset (Solidus), °C 550
1600
Specific Heat Capacity, J/kg-K 980
520
Thermal Conductivity, W/m-K 110
6.2
Thermal Expansion, µm/m-K 26
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
45
Density, g/cm3 1.9
5.0
Embodied Carbon, kg CO2/kg material 27
47
Embodied Energy, MJ/kg 210
760

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 450
3040 to 5530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
33
Strength to Weight: Axial, points 40
49 to 72
Strength to Weight: Bending, points 49
41 to 53
Thermal Diffusivity, mm2/s 61
2.4
Thermal Shock Resistance, points 17
57 to 83

Alloy Composition


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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), % 0.050 to 0.1
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.010
0 to 0.3
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
71.1 to 77
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
3.5 to 4.5
Residuals, % 0 to 0.010
0 to 0.4