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ZC63A Magnesium vs. EN 1.5805 Steel

ZC63A magnesium belongs to the magnesium alloys classification, while EN 1.5805 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 EN 1.5805 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 48
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 220
460 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 98
430
Melting Completion (Liquidus), °C 550
1460
Melting Onset (Solidus), °C 470
1420
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.1
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 920
53

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
16 to 42
Strength to Weight: Bending, points 38
17 to 32
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 12
13 to 35

Alloy Composition


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Carbon (C), % 0
0.070 to 0.12
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 2.4 to 3.0
0 to 0.25
Iron (Fe), % 0
95.7 to 97.2
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.6 to 0.9
Nickel (Ni), % 0 to 0.010
1.2 to 1.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0