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EN-MC65220 Magnesium vs. EN 1.1104 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.1104 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 1.1104 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
130
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
27
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
280
Tensile Strength: Ultimate (UTS), MPa 270
440
Tensile Strength: Yield (Proof), MPa 200
280

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
49
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
2.3
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
100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
24
Strength to Weight: Axial, points 40
15
Strength to Weight: Bending, points 49
16
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 17
14

Alloy Composition


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Aluminum (Al), % 0
0.020 to 0.024
Carbon (C), % 0
0 to 0.16
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.050 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.010
96.6 to 99.38
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.6 to 1.5
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.4
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.0050
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