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EV31A Magnesium vs. EN 1.4062 Stainless Steel

EV31A magnesium belongs to the magnesium alloys classification, while EN 1.4062 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 3.5
23 to 34
Fatigue Strength, MPa 120
410 to 420
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 17
79
Shear Strength, MPa 170
510
Tensile Strength: Ultimate (UTS), MPa 260
770 to 800
Tensile Strength: Yield (Proof), MPa 170
530 to 600

Thermal Properties

Maximum Temperature: Mechanical, °C 200
1030
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 86
15
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.4

Otherwise Unclassified Properties

Density, g/cm3 1.8
7.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 330
690 to 910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 65
25
Strength to Weight: Axial, points 40
28 to 29
Strength to Weight: Bending, points 50
24 to 25
Thermal Diffusivity, mm2/s 47
4.0
Thermal Shock Resistance, points 16
21 to 22