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EN-MC21320 Magnesium vs. EN 1.0535 Steel

EN-MC21320 magnesium belongs to the magnesium alloys classification, while EN 1.0535 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-MC21320 magnesium and the bottom bar is EN 1.0535 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
200
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 7.5
12
Fatigue Strength, MPa 95
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
72
Shear Strength, MPa 130
420
Tensile Strength: Ultimate (UTS), MPa 230
690
Tensile Strength: Yield (Proof), MPa 140
340

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 110
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 66
48
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 91
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 23
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 980
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
69
Resilience: Unit (Modulus of Resilience), kJ/m3 200
310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 50
22
Thermal Diffusivity, mm2/s 40
13
Thermal Shock Resistance, points 13
22

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0.52 to 0.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
97.1 to 98.9
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.0020
0 to 0.4
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.5 to 1.5
0 to 0.4
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0