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AM50A Magnesium vs. EN 1.5701 Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.5701 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.5701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
130 to 160
Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 210
430 to 1300

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
45
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
1.5
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 990
49

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
15 to 46
Strength to Weight: Bending, points 47
16 to 34
Thermal Diffusivity, mm2/s 39
12
Thermal Shock Resistance, points 13
13 to 38

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0.090 to 0.15
Chromium (Cr), % 0
0.4 to 0.7
Copper (Cu), % 0 to 0.010
0 to 0.25
Iron (Fe), % 0 to 0.0040
97.2 to 98.7
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0.3 to 0.6
Nickel (Ni), % 0 to 0.0020
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.22
0