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ZC63A Magnesium vs. ACI-ASTM CC50 Steel

ZC63A magnesium belongs to the magnesium alloys classification, while ACI-ASTM CC50 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
210
Elastic (Young's, Tensile) Modulus, GPa 48
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 220
430

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 98
1100
Melting Completion (Liquidus), °C 550
1420
Melting Onset (Solidus), °C 470
1370
Specific Heat Capacity, J/kg-K 950
490
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
14
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 920
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 58
26
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 38
17
Thermal Diffusivity, mm2/s 58
4.5
Thermal Shock Resistance, points 12
14

Alloy Composition


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Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0
62.9 to 74
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0