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EN-MC65220 Magnesium vs. EN 1.0456 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.0456 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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-MC65220 magnesium and the bottom bar is EN 1.0456 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
24 to 26
Fatigue Strength, MPa 110
210 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
270 to 280
Tensile Strength: Ultimate (UTS), MPa 270
420 to 450
Tensile Strength: Yield (Proof), MPa 200
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.2
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
1.5
Embodied Energy, MJ/kg 210
20

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
93 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 450
220 to 230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
24
Strength to Weight: Axial, points 40
15 to 16
Strength to Weight: Bending, points 49
16 to 17
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 17
13 to 14

Alloy Composition


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Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.050 to 0.1
0 to 0.35
Iron (Fe), % 0 to 0.010
96.7 to 99.48
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.5 to 1.4
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0 to 0.4
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0