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SAE-AISI M2 Steel vs. ZC63A Magnesium

SAE-AISI M2 steel belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 SAE-AISI M2 steel and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
48
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
19
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
220

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1610
550
Melting Onset (Solidus), °C 1570
470
Specific Heat Capacity, J/kg-K 440
950
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 10
26

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.4
2.1
Embodied Carbon, kg CO2/kg material 8.8
22
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 98
920

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
58
Strength to Weight: Axial, points 25 to 71
29
Strength to Weight: Bending, points 22 to 44
38
Thermal Diffusivity, mm2/s 5.9
58
Thermal Shock Resistance, points 27 to 76
12

Alloy Composition

Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
2.4 to 3.0
Iron (Fe), % 78.5 to 83.4
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0.15 to 0.4
0.25 to 0.75
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3