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ZC63A Magnesium vs. Grade C-6 Titanium

ZC63A magnesium belongs to the magnesium alloys classification, while grade C-6 titanium belongs to the titanium 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 ZC63A magnesium and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
290
Elastic (Young's, Tensile) Modulus, GPa 48
100
Elongation at Break, % 3.3
9.0
Fatigue Strength, MPa 94
460
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
39
Tensile Strength: Ultimate (UTS), MPa 220
890
Tensile Strength: Yield (Proof), MPa 130
830

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 98
310
Melting Completion (Liquidus), °C 550
1580
Melting Onset (Solidus), °C 470
1530
Specific Heat Capacity, J/kg-K 950
550
Thermal Conductivity, W/m-K 120
7.8
Thermal Expansion, µm/m-K 26
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 2.1
4.5
Embodied Carbon, kg CO2/kg material 22
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 920
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
78
Resilience: Unit (Modulus of Resilience), kJ/m3 190
3300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
35
Strength to Weight: Axial, points 29
55
Strength to Weight: Bending, points 38
46
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 12
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 2.4 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0 to 0.4