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QE22A Magnesium vs. Titanium 6-5-0.5

QE22A magnesium belongs to the magnesium alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 QE22A magnesium and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 2.4
6.7
Fatigue Strength, MPa 110
530
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
40
Shear Strength, MPa 150
630
Tensile Strength: Ultimate (UTS), MPa 250
1080
Tensile Strength: Yield (Proof), MPa 190
990

Thermal Properties

Latent Heat of Fusion, J/g 340
410
Maximum Temperature: Mechanical, °C 250
300
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 570
1560
Specific Heat Capacity, J/kg-K 970
550
Thermal Conductivity, W/m-K 110
4.2
Thermal Expansion, µm/m-K 27
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.1

Otherwise Unclassified Properties

Density, g/cm3 2.0
4.5
Embodied Carbon, kg CO2/kg material 27
33
Embodied Energy, MJ/kg 220
540

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
71
Resilience: Unit (Modulus of Resilience), kJ/m3 400
4630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 60
35
Strength to Weight: Axial, points 36
67
Strength to Weight: Bending, points 46
52
Thermal Diffusivity, mm2/s 59
1.7
Thermal Shock Resistance, points 15
79

Alloy Composition


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Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 93.1 to 95.8
0
Molybdenum (Mo), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 2.0 to 3.0
0
Titanium (Ti), % 0
85.6 to 90.1
Unspecified Rare Earths, % 1.8 to 2.5
0
Zirconium (Zr), % 0.4 to 1.0
4.0 to 6.0
Residuals, % 0 to 0.3
0 to 0.4