EN 1.4371 Stainless Steel vs. EZ33A Magnesium
EN 1.4371 stainless steel belongs to the iron alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.4371 stainless steel and the bottom bar is EZ33A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 44 |
| Elongation at Break, % | 45 to 51 | |
| 2.6 |
| Fatigue Strength, MPa | 290 to 340 | |
| 70 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 17 |
| Shear Strength, MPa | 520 to 540 | |
| 140 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 320 to 340 | |
| 100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 250 |
| Melting Completion (Liquidus), °C | 1410 | |
| 640 |
| Melting Onset (Solidus), °C | 1370 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 970 |
| Thermal Conductivity, W/m-K | 15 | |
| 100 |
| Thermal Expansion, µm/m-K | 17 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 25 |
| Density, g/cm3 | 7.7 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 25 |
| Embodied Energy, MJ/kg | 38 | |
| 190 |
| Embodied Water, L/kg | 140 | |
| 930 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 310 | |
| 3.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 300 | |
| 120 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 61 |
| Strength to Weight: Axial, points | 27 | |
| 22 |
| Strength to Weight: Bending, points | 24 | |
| 33 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 54 |
| Thermal Shock Resistance, points | 16 | |
| 9.2 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 16 to 17.5 | |
| 0 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 to 0.1 |
| Iron (Fe), % | 66.7 to 74.4 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 91.5 to 95 |
| Manganese (Mn), % | 6.0 to 8.0 | |
| 0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 to 0.010 |
| Nitrogen (N), % | 0.15 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.5 to 4.0 |
| Zinc (Zn), % | 0 | |
| 2.0 to 3.1 |
| Zirconium (Zr), % | 0 | |
| 0.5 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |