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EN-MC32110 Magnesium vs. EN 1.7390 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.7390 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
210
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
16
Fatigue Strength, MPa 80
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
74
Shear Strength, MPa 120
440
Tensile Strength: Ultimate (UTS), MPa 220
710
Tensile Strength: Yield (Proof), MPa 140
480

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 99
510
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
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.3
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
1.7
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 920
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 12
20

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
91.9 to 95.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 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 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0