AISI 440A Stainless Steel vs. EN-MC95310 Magnesium
AISI 440A stainless steel belongs to the iron alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. There are 29 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 AISI 440A stainless steel and the bottom bar is EN-MC95310 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 45 |
| Elongation at Break, % | 5.0 to 20 | |
| 2.2 |
| Fatigue Strength, MPa | 270 to 790 | |
| 110 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 17 |
| Shear Strength, MPa | 450 to 1040 | |
| 160 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 170 |
| Melting Completion (Liquidus), °C | 1480 | |
| 650 |
| Melting Onset (Solidus), °C | 1370 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 960 |
| Thermal Conductivity, W/m-K | 23 | |
| 51 |
| Thermal Expansion, µm/m-K | 10 | |
| 25 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 50 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 34 |
| Density, g/cm3 | 7.7 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 29 |
| Embodied Energy, MJ/kg | 31 | |
| 260 |
| Embodied Water, L/kg | 120 | |
| 900 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 5.6 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 61 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 40 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 49 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 28 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 18 |
Alloy Composition
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| Carbon (C), % | 0.6 to 0.75 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 0 to 0.010 |
| Lithium (Li), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 0 | |
| 88.9 to 93.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.010 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 1.5 to 4.0 |
| Yttrium (Y), % | 0 | |
| 4.8 to 5.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.010 |