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ZC63A Magnesium vs. Grade VDSiCr Steel

ZC63A magnesium belongs to the magnesium alloys classification, while grade VDSiCr steel belongs to the iron 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 ZC63A magnesium and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
590
Elastic (Young's, Tensile) Modulus, GPa 48
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 220
1950

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 98
410
Melting Completion (Liquidus), °C 550
1440
Melting Onset (Solidus), °C 470
1400
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
46
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.2
Density, g/cm3 2.1
7.7
Embodied Carbon, kg CO2/kg material 22
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 920
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
70
Strength to Weight: Bending, points 38
45
Thermal Diffusivity, mm2/s 58
12
Thermal Shock Resistance, points 12
58

Alloy Composition


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Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 2.4 to 3.0
0 to 0.060
Iron (Fe), % 0
96.6 to 97.8
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.5 to 0.9
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
1.2 to 1.6
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0