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ZC63A Magnesium vs. AWS BCo-1

ZC63A magnesium belongs to the magnesium alloys classification, while AWS BCo-1 belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, 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 AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
200
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 220
700

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Melting Completion (Liquidus), °C 550
1150
Melting Onset (Solidus), °C 470
1120
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Density, g/cm3 2.1
8.1
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 920
430

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 38
22
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
46 to 54
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
16 to 18
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
7.5 to 8.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zinc (Zn), % 5.5 to 6.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.3
0 to 0.5