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EN-MC21210 Magnesium vs. SAE-AISI 1086 Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while SAE-AISI 1086 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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-MC21210 magnesium and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
11
Fatigue Strength, MPa 70
300 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
72
Shear Strength, MPa 110
450 to 520
Tensile Strength: Ultimate (UTS), MPa 190
760 to 870
Tensile Strength: Yield (Proof), MPa 90
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 100
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 570
1410
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 980
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 92
610 to 890
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 32
27 to 31
Strength to Weight: Bending, points 44
24 to 26
Thermal Diffusivity, mm2/s 76
14
Thermal Shock Resistance, points 11
26 to 30

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0.8 to 0.93
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
98.5 to 98.9
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0.3 to 0.5
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0