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EV31A Magnesium vs. EN 1.5414 Steel

EV31A magnesium belongs to the magnesium alloys classification, while EN 1.5414 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 EV31A magnesium and the bottom bar is EN 1.5414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 3.5
22
Fatigue Strength, MPa 120
250 to 270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 170
350 to 370
Tensile Strength: Ultimate (UTS), MPa 260
550 to 580
Tensile Strength: Yield (Proof), MPa 170
350 to 380

Thermal Properties

Maximum Temperature: Mechanical, °C 200
410
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 86
44
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.4

Otherwise Unclassified Properties

Density, g/cm3 1.8
7.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
320 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 65
24
Strength to Weight: Axial, points 40
19 to 20
Strength to Weight: Bending, points 50
19 to 20
Thermal Diffusivity, mm2/s 47
12
Thermal Shock Resistance, points 16
16 to 17