EN 1.4378 Stainless Steel vs. ISO-WD32350 Magnesium
EN 1.4378 stainless steel belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 1.4378 stainless steel and the bottom bar is ISO-WD32350 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 45 |
| Elongation at Break, % | 14 to 34 | |
| 5.7 to 10 |
| Fatigue Strength, MPa | 340 to 550 | |
| 120 to 130 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 18 |
| Shear Strength, MPa | 510 to 680 | |
| 150 to 170 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
| 250 to 290 |
| Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 95 |
| Melting Completion (Liquidus), °C | 1390 | |
| 600 |
| Melting Onset (Solidus), °C | 1350 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 990 |
| Thermal Expansion, µm/m-K | 17 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 7.6 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 23 |
| Embodied Energy, MJ/kg | 39 | |
| 160 |
| Embodied Water, L/kg | 150 | |
| 960 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
| 14 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 2370 | |
| 210 to 380 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 25 | |
| 68 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 39 to 46 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 50 to 55 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 16 to 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 61.2 to 69 | |
| 0 to 0.060 |
| Magnesium (Mg), % | 0 | |
| 95.7 to 97.7 |
| Manganese (Mn), % | 11.5 to 14.5 | |
| 0.6 to 1.3 |
| Nickel (Ni), % | 2.3 to 3.7 | |
| 0 to 0.0050 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 1.8 to 2.3 |
| Residuals, % | 0 | |
| 0 to 0.3 |