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EV31A Magnesium vs. Titanium 6-5-0.5

EV31A magnesium belongs to the magnesium alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 EV31A magnesium and the bottom bar is titanium 6-5-0.5.

EV31A (EV31A-T6, M12310) MagnesiumTitanium 6-5-0.5 (3.7155)
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 3.5
6.7
Fatigue Strength, MPa 120
530
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 17
40
Shear Strength, MPa 170
630
Tensile Strength: Ultimate (UTS), MPa 260
1080
Tensile Strength: Yield (Proof), MPa 170
990

Thermal Properties

Maximum Temperature: Mechanical, °C 200
300
Melting Onset (Solidus), °C 590
1560
Specific Heat Capacity, J/kg-K 1000
550
Thermal Conductivity, W/m-K 86
4.2
Thermal Expansion, µm/m-K 27
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.1

Otherwise Unclassified Properties

Density, g/cm3 1.8
4.5

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
71
Resilience: Unit (Modulus of Resilience), kJ/m3 330
4630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 65
35
Strength to Weight: Axial, points 40
67
Strength to Weight: Bending, points 50
52
Thermal Diffusivity, mm2/s 47
1.7
Thermal Shock Resistance, points 16
79