EN 1.4945 Stainless Steel vs. ISO-WD32260 Magnesium
EN 1.4945 stainless steel belongs to the iron alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4945 stainless steel and the bottom bar is ISO-WD32260 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 46 |
| Elongation at Break, % | 19 to 34 | |
| 4.5 to 6.0 |
| Fatigue Strength, MPa | 230 to 350 | |
| 150 to 190 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 18 |
| Shear Strength, MPa | 430 to 460 | |
| 190 to 200 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 740 | |
| 330 to 340 |
| Tensile Strength: Yield (Proof), MPa | 290 to 550 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 120 |
| Melting Completion (Liquidus), °C | 1490 | |
| 600 |
| Melting Onset (Solidus), °C | 1440 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 970 |
| Thermal Conductivity, W/m-K | 14 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 13 |
| Density, g/cm3 | 8.1 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 23 |
| Embodied Energy, MJ/kg | 73 | |
| 160 |
| Embodied Water, L/kg | 150 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 14 to 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 760 | |
| 560 to 700 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 63 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 48 to 51 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 56 to 58 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 63 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 19 to 20 |
Alloy Composition
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| Carbon (C), % | 0.040 to 0.1 | |
| 0 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Iron (Fe), % | 57.9 to 65.7 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 92.7 to 94.8 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 15.5 to 17.5 | |
| 0 |
| Niobium (Nb), % | 0.4 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0.060 to 0.14 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tungsten (W), % | 2.5 to 3.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 4.8 to 6.2 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 0.8 |
| Residuals, % | 0 | |
| 0 to 0.3 |