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EV31A Magnesium vs. EN 1.4530 Stainless Steel

EV31A magnesium belongs to the magnesium alloys classification, while EN 1.4530 stainless steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (21, 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 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 17
76
Tensile Strength: Ultimate (UTS), MPa 260
1030 to 1370

Thermal Properties

Maximum Temperature: Mechanical, °C 200
790
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 1000
470
Thermal Expansion, µm/m-K 27
11

Otherwise Unclassified Properties

Density, g/cm3 1.8
7.9

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 65
25
Strength to Weight: Axial, points 40
36 to 48
Strength to Weight: Bending, points 50
29 to 35
Thermal Shock Resistance, points 16
35 to 47