EN 1.4849 Stainless Steel vs. ISO-WD21150 Magnesium
EN 1.4849 stainless steel belongs to the iron alloys classification, while ISO-WD21150 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 1.4849 stainless steel and the bottom bar is ISO-WD21150 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 45 |
| Elongation at Break, % | 4.5 | |
| 5.7 to 11 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 17 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 240 to 290 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 120 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 1020 | |
| 110 |
| Melting Completion (Liquidus), °C | 1390 | |
| 600 |
| Melting Onset (Solidus), °C | 1340 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 990 |
| Thermal Conductivity, W/m-K | 12 | |
| 100 |
| Thermal Expansion, µm/m-K | 15 | |
| 27 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 42 | |
| 12 |
| Density, g/cm3 | 8.0 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 7.1 | |
| 23 |
| Embodied Energy, MJ/kg | 100 | |
| 160 |
| Embodied Water, L/kg | 200 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 | |
| 15 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 160 to 460 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 70 |
| Strength to Weight: Axial, points | 17 | |
| 40 to 48 |
| Strength to Weight: Bending, points | 17 | |
| 52 to 58 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 60 |
| Thermal Shock Resistance, points | 11 | |
| 15 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.4 to 3.6 |
| Carbon (C), % | 0.3 to 0.5 | |
| 0 |
| Chromium (Cr), % | 18 to 21 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.050 |
| Iron (Fe), % | 32.6 to 43.5 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 94 to 97 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 36 to 39 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 1.2 to 1.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.5 to 1.5 |
| Residuals, % | 0 | |
| 0 to 0.3 |