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AM50A Magnesium vs. EN 1.6368 Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.6368 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 AM50A magnesium and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
18
Fatigue Strength, MPa 70
310 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 120
410 to 430
Tensile Strength: Ultimate (UTS), MPa 210
660 to 690
Tensile Strength: Yield (Proof), MPa 120
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 120
410
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 65
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.4
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.7
Embodied Energy, MJ/kg 160
22
Embodied Water, L/kg 990
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
580 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
23 to 24
Strength to Weight: Bending, points 47
21 to 22
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 13
20

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0.015 to 0.040
Carbon (C), % 0
0 to 0.17
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
0.5 to 0.8
Iron (Fe), % 0 to 0.0040
95.1 to 97.2
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0 to 0.0020
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.25 to 0.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.22
0