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Grade C-5 Titanium vs. QE22A Magnesium

Grade C-5 titanium belongs to the titanium alloys classification, while QE22A magnesium belongs to the magnesium 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 grade C-5 titanium and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
80
Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 6.7
2.4
Fatigue Strength, MPa 510
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
17
Tensile Strength: Ultimate (UTS), MPa 1000
250
Tensile Strength: Yield (Proof), MPa 940
190

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 340
250
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
570
Specific Heat Capacity, J/kg-K 560
970
Thermal Conductivity, W/m-K 7.1
110
Thermal Expansion, µm/m-K 9.6
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
120

Otherwise Unclassified Properties

Density, g/cm3 4.4
2.0
Embodied Carbon, kg CO2/kg material 38
27
Embodied Energy, MJ/kg 610
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
60
Strength to Weight: Axial, points 63
36
Strength to Weight: Bending, points 50
46
Thermal Diffusivity, mm2/s 2.9
59
Thermal Shock Resistance, points 71
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0
93.1 to 95.8
Nickel (Ni), % 0 to 0.050
0 to 0.010
Oxygen (O), % 0 to 0.25
0
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 87.5 to 91
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Vanadium (V), % 3.5 to 4.5
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3