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EN 1.3555 Steel vs. M1A Magnesium

EN 1.3555 steel belongs to the iron alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 EN 1.3555 steel and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
18
Tensile Strength: Ultimate (UTS), MPa 770
230

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Maximum Temperature: Mechanical, °C 540
95
Melting Completion (Liquidus), °C 1500
610
Melting Onset (Solidus), °C 1450
580
Specific Heat Capacity, J/kg-K 460
990
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
35
Electrical Conductivity: Equal Weight (Specific), % IACS 11
190

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 7.9
1.7
Embodied Carbon, kg CO2/kg material 5.6
24
Embodied Energy, MJ/kg 81
160
Embodied Water, L/kg 90
970

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
71
Strength to Weight: Axial, points 27
38
Strength to Weight: Bending, points 23
49
Thermal Shock Resistance, points 22
13

Alloy Composition

Calcium (Ca), % 0
0 to 0.3
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 85.4 to 87.7
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0.15 to 0.35
1.2 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.1 to 0.25
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0
Residuals, % 0
0 to 0.3