WE54A Magnesium vs. AISI 304N Stainless Steel
WE54A magnesium belongs to the magnesium alloys classification, while AISI 304N stainless steel belongs to the iron alloys. There are 31 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 WE54A magnesium and the bottom bar is AISI 304N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 | |
| 190 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 200 |
| Elongation at Break, % | 4.3 to 5.6 | |
| 9.1 to 45 |
| Fatigue Strength, MPa | 98 to 130 | |
| 220 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 17 | |
| 77 |
| Shear Strength, MPa | 150 to 170 | |
| 420 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 300 | |
| 620 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 180 | |
| 270 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 960 |
| Melting Completion (Liquidus), °C | 640 | |
| 1420 |
| Melting Onset (Solidus), °C | 570 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 16 |
| Thermal Expansion, µm/m-K | 25 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 47 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 15 |
| Density, g/cm3 | 1.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 29 | |
| 3.0 |
| Embodied Energy, MJ/kg | 260 | |
| 43 |
| Embodied Water, L/kg | 900 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 14 | |
| 98 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 180 to 1830 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 25 |
| Strength to Weight: Axial, points | 39 to 43 | |
| 22 to 42 |
| Strength to Weight: Bending, points | 49 to 51 | |
| 21 to 32 |
| Thermal Diffusivity, mm2/s | 28 | |
| 4.2 |
| Thermal Shock Resistance, points | 18 to 19 | |
| 14 to 26 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 66.4 to 73.9 |
| Lithium (Li), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 88.7 to 93.4 | |
| 0 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 8.0 to 10.5 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Unspecified Rare Earths, % | 1.5 to 4.0 | |
| 0 |
| Yttrium (Y), % | 4.8 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |