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AM50A Magnesium vs. EN 1.0237 Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.0237 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 AM50A magnesium and the bottom bar is EN 1.0237 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
140
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 70
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 120
290
Tensile Strength: Ultimate (UTS), MPa 210
470
Tensile Strength: Yield (Proof), MPa 120
360

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 120
400
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
52
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 990
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
88
Resilience: Unit (Modulus of Resilience), kJ/m3 150
340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
17
Strength to Weight: Bending, points 47
17
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0 to 0.2
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
98 to 100
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 1.4
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 0 to 0.22
0