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EV31A Magnesium vs. EN 1.3967 Stainless Steel

EV31A magnesium belongs to the magnesium alloys classification, while EN 1.3967 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (16, 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 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
200
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 3.5
22
Fatigue Strength, MPa 120
240
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 260
690
Tensile Strength: Yield (Proof), MPa 170
350

Thermal Properties

Maximum Temperature: Mechanical, °C 200
1070
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 1000
470
Thermal Expansion, µm/m-K 27
16

Otherwise Unclassified Properties

Density, g/cm3 1.8
7.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 65
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 50
22
Thermal Shock Resistance, points 16
15