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EN-MC65220 Magnesium vs. EN 1.1170 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.1170 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 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
16 to 17
Fatigue Strength, MPa 110
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 150
390 to 450
Tensile Strength: Ultimate (UTS), MPa 270
640 to 730
Tensile Strength: Yield (Proof), MPa 200
330 to 500

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
50
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
2.1
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
1.5
Embodied Energy, MJ/kg 210
19

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
24
Strength to Weight: Axial, points 40
23 to 26
Strength to Weight: Bending, points 49
21 to 23
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 17
20 to 23

Alloy Composition


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Carbon (C), % 0
0.25 to 0.32
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
96.7 to 98.5
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0 to 0.4
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 0.035
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0