EQ21A Magnesium vs. 60Cr-40Ni Alloy
EQ21A magnesium belongs to the magnesium alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (16, 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 EQ21A magnesium and the bottom bar is 60Cr-40Ni alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 220 |
| Poisson's Ratio | 0.29 | |
| 0.25 |
| Shear Modulus, GPa | 17 | |
| 87 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 870 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 370 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 490 |
| Thermal Expansion, µm/m-K | 27 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 49 |
| Density, g/cm3 | 1.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 7.4 |
| Embodied Energy, MJ/kg | 210 | |
| 110 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 | |
| 1000 |
| Stiffness to Weight: Axial, points | 13 | |
| 16 |
| Stiffness to Weight: Bending, points | 63 | |
| 26 |
| Strength to Weight: Axial, points | 37 | |
| 31 |
| Strength to Weight: Bending, points | 47 | |
| 26 |
| Thermal Shock Resistance, points | 15 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.25 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 58 to 62 |
| Copper (Cu), % | 0.050 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 93.9 to 96.8 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 to 0.010 | |
| 34.5 to 42 |
| Nitrogen (N), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Silver (Ag), % | 1.3 to 1.7 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 | |
| 0 to 0.5 |
| Unspecified Rare Earths, % | 1.5 to 3.0 | |
| 0 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |