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ZC63A Magnesium vs. Grade 28 Titanium

ZC63A magnesium belongs to the magnesium alloys classification, while grade 28 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 28 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
11 to 17
Fatigue Strength, MPa 94
330 to 480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
40
Shear Strength, MPa 130
420 to 590
Tensile Strength: Ultimate (UTS), MPa 220
690 to 980
Tensile Strength: Yield (Proof), MPa 130
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 98
330
Melting Completion (Liquidus), °C 550
1640
Melting Onset (Solidus), °C 470
1590
Specific Heat Capacity, J/kg-K 950
550
Thermal Conductivity, W/m-K 120
8.3
Thermal Expansion, µm/m-K 26
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 2.1
4.5
Embodied Carbon, kg CO2/kg material 22
37
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 920
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1370 to 3100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
35
Strength to Weight: Axial, points 29
43 to 61
Strength to Weight: Bending, points 38
39 to 49
Thermal Diffusivity, mm2/s 58
3.4
Thermal Shock Resistance, points 12
47 to 66

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 2.4 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.25
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0
92.4 to 95.4
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0 to 0.4