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AM50A Magnesium vs. EN 1.7710 Steel

AM50A magnesium belongs to the magnesium alloys classification, while EN 1.7710 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 11
6.8 to 11
Fatigue Strength, MPa 70
500 to 620
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 210
930 to 1070
Tensile Strength: Yield (Proof), MPa 120
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 120
440
Melting Completion (Liquidus), °C 620
1470
Melting Onset (Solidus), °C 570
1430
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 65
41
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
3.5
Density, g/cm3 1.7
7.8
Embodied Carbon, kg CO2/kg material 23
2.2
Embodied Energy, MJ/kg 160
30
Embodied Water, L/kg 990
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1680 to 2970
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
24
Strength to Weight: Axial, points 35
33 to 38
Strength to Weight: Bending, points 47
27 to 30
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 13
27 to 31

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0.12 to 0.18
Chromium (Cr), % 0
1.3 to 1.8
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0040
95.1 to 97
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25
Zinc (Zn), % 0 to 0.22
0