AISI 201L Stainless Steel vs. EV31A Magnesium
AISI 201L stainless steel belongs to the iron alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 25 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 AISI 201L stainless steel and the bottom bar is EV31A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 320 | |
| 70 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 44 |
| Elongation at Break, % | 22 to 46 | |
| 3.5 |
| Fatigue Strength, MPa | 270 to 530 | |
| 120 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 77 | |
| 17 |
| Shear Strength, MPa | 520 to 660 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 1040 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 290 to 790 | |
| 170 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 880 | |
| 200 |
| Melting Onset (Solidus), °C | 1370 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 1000 |
| Thermal Conductivity, W/m-K | 15 | |
| 86 |
| Thermal Expansion, µm/m-K | 17 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 90 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 1.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 8.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 1570 | |
| 330 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 65 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 40 |
| Strength to Weight: Bending, points | 24 to 30 | |
| 50 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 47 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 16 |