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EN 1.3558 Steel vs. ZC63A Magnesium

EN 1.3558 steel belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 EN 1.3558 steel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
60
Elastic (Young's, Tensile) Modulus, GPa 210
48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
19
Tensile Strength: Ultimate (UTS), MPa 770
220

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Maximum Temperature: Mechanical, °C 490
98
Melting Completion (Liquidus), °C 1810
550
Melting Onset (Solidus), °C 1760
470
Specific Heat Capacity, J/kg-K 410
950
Thermal Conductivity, W/m-K 20
120
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
140

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 9.3
2.1
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 90
920

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
58
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 20
38
Thermal Diffusivity, mm2/s 5.3
58
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
2.4 to 3.0
Iron (Fe), % 73.7 to 77.6
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.4
0.25 to 0.75
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3