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AM50A Magnesium vs. EN 1.0580 Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.0580 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 1.0580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
5.6 to 25
Fatigue Strength, MPa 70
210 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 120
340 to 360
Tensile Strength: Ultimate (UTS), MPa 210
540 to 620
Tensile Strength: Yield (Proof), MPa 120
290 to 450

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
51
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.2

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
31 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
230 to 540
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
19 to 22
Strength to Weight: Bending, points 47
19 to 21
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 13
17 to 20

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0 to 0.22
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
97.5 to 100
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 1.6
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.55
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 0 to 0.22
0