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EN-MC65120 Magnesium vs. Grade 6 Titanium

EN-MC65120 magnesium belongs to the magnesium alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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-MC65120 magnesium and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 3.1
11
Fatigue Strength, MPa 80
290
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
39
Shear Strength, MPa 92
530
Tensile Strength: Ultimate (UTS), MPa 160
890
Tensile Strength: Yield (Proof), MPa 110
840

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 180
310
Melting Completion (Liquidus), °C 590
1580
Melting Onset (Solidus), °C 520
1530
Specific Heat Capacity, J/kg-K 970
550
Thermal Conductivity, W/m-K 100
7.8
Thermal Expansion, µm/m-K 26
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 1.9
4.5
Embodied Carbon, kg CO2/kg material 25
30
Embodied Energy, MJ/kg 190
480
Embodied Water, L/kg 930
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140
3390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
35
Strength to Weight: Axial, points 23
55
Strength to Weight: Bending, points 34
46
Thermal Diffusivity, mm2/s 56
3.2
Thermal Shock Resistance, points 9.8
65

Alloy Composition


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Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.4