ISO-WD32250 Magnesium vs. Type 1 Niobium
ISO-WD32250 magnesium belongs to the magnesium alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 ISO-WD32250 magnesium and the bottom bar is Type 1 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 110 |
| Elongation at Break, % | 4.5 to 8.6 | |
| 29 |
| Poisson's Ratio | 0.29 | |
| 0.4 |
| Shear Modulus, GPa | 17 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 330 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 240 to 290 | |
| 82 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 270 |
| Thermal Conductivity, W/m-K | 130 | |
| 52 |
| Thermal Expansion, µm/m-K | 26 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.8 | |
| 8.6 |
| Embodied Water, L/kg | 950 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 26 | |
| 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 630 to 930 | |
| 32 |
| Stiffness to Weight: Axial, points | 14 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 67 | |
| 18 |
| Strength to Weight: Axial, points | 49 to 51 | |
| 4.6 |
| Strength to Weight: Bending, points | 58 to 60 | |
| 7.1 |
| Thermal Diffusivity, mm2/s | 72 | |
| 23 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 13 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 94.9 to 97.1 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0 | |
| 99.7 to 100 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Tungsten (W), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 2.5 to 4.0 | |
| 0 |
| Zirconium (Zr), % | 0.45 to 0.8 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.3 | |
| 0 |