MakeItFrom.com
Menu (ESC)

EV31A Magnesium vs. ASTM A356 Grade 2

EV31A magnesium belongs to the magnesium alloys classification, while ASTM A356 grade 2 belongs to the iron alloys. There are 24 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 EV31A magnesium and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
150
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 3.5
25
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 260
510
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Maximum Temperature: Mechanical, °C 200
410
Melting Onset (Solidus), °C 590
1430
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 86
51
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.2

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
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 65
24
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 50
18
Thermal Diffusivity, mm2/s 47
14
Thermal Shock Resistance, points 16
15