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Grade C-5 Titanium vs. ZC63A Magnesium

Grade C-5 titanium belongs to the titanium alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
60
Elastic (Young's, Tensile) Modulus, GPa 110
48
Elongation at Break, % 6.7
3.3
Fatigue Strength, MPa 510
94
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
19
Tensile Strength: Ultimate (UTS), MPa 1000
220
Tensile Strength: Yield (Proof), MPa 940
130

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
98
Melting Completion (Liquidus), °C 1610
550
Melting Onset (Solidus), °C 1560
470
Specific Heat Capacity, J/kg-K 560
950
Thermal Conductivity, W/m-K 7.1
120
Thermal Expansion, µm/m-K 9.6
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 4.4
2.1
Embodied Carbon, kg CO2/kg material 38
22
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
58
Strength to Weight: Axial, points 63
29
Strength to Weight: Bending, points 50
38
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 71
12

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
2.4 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 0.050
0 to 0.010
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0 to 0.4
0 to 0.3