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EN-MC32110 Magnesium vs. EN 1.7711 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.7711 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-MC32110 magnesium and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
210 to 280
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
16 to 22
Fatigue Strength, MPa 80
290 to 520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Shear Strength, MPa 120
440 to 570
Tensile Strength: Ultimate (UTS), MPa 220
690 to 930
Tensile Strength: Yield (Proof), MPa 140
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 99
430
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1420
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
33
Thermal Expansion, µm/m-K 26
11

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
3.0
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 920
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
430 to 1690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
24 to 33
Strength to Weight: Bending, points 38
22 to 27
Thermal Diffusivity, mm2/s 58
8.9
Thermal Shock Resistance, points 12
24 to 32

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0 to 0.015
Carbon (C), % 0
0.36 to 0.44
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
96 to 97.5
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.45 to 0.85
Molybdenum (Mo), % 0
0.5 to 0.65
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0