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EN 1.1061 Steel vs. EV31A Magnesium

EN 1.1061 steel belongs to the iron alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 1.1061 steel and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
70
Elastic (Young's, Tensile) Modulus, GPa 190
44
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
17
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
260

Thermal Properties

Maximum Temperature: Mechanical, °C 400
200
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 51
86
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
90

Otherwise Unclassified Properties

Density, g/cm3 7.8
1.8

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
65
Strength to Weight: Axial, points 19 to 64
40
Strength to Weight: Bending, points 19 to 42
50
Thermal Diffusivity, mm2/s 14
47
Thermal Shock Resistance, points 17 to 58
16