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EN-MC32110 Magnesium vs. EN 1.0070 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.0070 steel belongs to the iron alloys. 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 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
210
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
9.1
Fatigue Strength, MPa 80
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Shear Strength, MPa 120
440
Tensile Strength: Ultimate (UTS), MPa 220
740
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 99
400
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 500
1430
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.7
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 920
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
56
Resilience: Unit (Modulus of Resilience), kJ/m3 210
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 12
23

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
99.876 to 100
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0
0 to 0.055
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.055
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0