Class 4 Tungsten vs. Grade 300 Maraging Steel
Class 4 tungsten belongs to the otherwise unclassified metals classification, while grade 300 maraging steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is class 4 tungsten and the bottom bar is grade 300 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 270 | |
| 190 |
| Elongation at Break, % | 2.3 | |
| 6.5 to 18 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Rockwell C Hardness | 31 | |
| 31 to 56 |
| Shear Modulus, GPa | 110 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 1030 to 2030 |
| Tensile Strength: Yield (Proof), MPa | 580 | |
| 760 to 1990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 450 |
| Thermal Expansion, µm/m-K | 4.5 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 16 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 5.1 |
| Embodied Energy, MJ/kg | 360 | |
| 68 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 | |
| 130 to 170 |
| Stiffness to Weight: Axial, points | 9.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 14 | |
| 23 |
| Strength to Weight: Axial, points | 14 | |
| 35 to 68 |
| Strength to Weight: Bending, points | 12 | |
| 28 to 43 |
| Thermal Shock Resistance, points | 46 | |
| 31 to 62 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Cobalt (Co), % | 0 | |
| 8.5 to 9.5 |
| Iron (Fe), % | 0 | |
| 65 to 68.4 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 4.6 to 5.2 |
| Nickel (Ni), % | 0 | |
| 18 to 19 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.5 to 0.8 |
| Tungsten (W), % | 97 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 3.0 | |
| 0 |