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EN-MC32110 Magnesium vs. SAE-AISI M36 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while SAE-AISI M36 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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-MC32110 magnesium and the bottom bar is SAE-AISI M36 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 220
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 600
1600
Melting Onset (Solidus), °C 500
1550
Specific Heat Capacity, J/kg-K 950
440
Thermal Conductivity, W/m-K 120
19
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
38
Density, g/cm3 2.1
8.4
Embodied Carbon, kg CO2/kg material 22
9.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 920
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
23
Strength to Weight: Axial, points 29
27 to 72
Strength to Weight: Bending, points 38
23 to 44
Thermal Diffusivity, mm2/s 58
5.1
Thermal Shock Resistance, points 12
25 to 68

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 2.4 to 3.0
0 to 0.25
Iron (Fe), % 0 to 0.050
70.1 to 75.5
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.15 to 0.4
Molybdenum (Mo), % 0
4.6 to 5.5
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0