Grade 20 Cast Iron vs. N06975 Nickel
Grade 20 cast iron belongs to the iron alloys classification, while N06975 nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade 20 cast iron and the bottom bar is N06975 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 200 |
| Elongation at Break, % | 9.6 | |
| 45 |
| Fatigue Strength, MPa | 69 | |
| 210 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 69 | |
| 80 |
| Shear Strength, MPa | 180 | |
| 470 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 660 |
| Tensile Strength: Yield (Proof), MPa | 98 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 320 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1430 |
| Melting Onset (Solidus), °C | 1180 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 460 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 50 |
| Density, g/cm3 | 7.5 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 8.9 |
| Embodied Energy, MJ/kg | 21 | |
| 120 |
| Embodied Water, L/kg | 44 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 | |
| 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 27 | |
| 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 5.8 | |
| 22 |
| Strength to Weight: Bending, points | 8.7 | |
| 20 |
| Thermal Shock Resistance, points | 6.0 | |
| 18 |
Alloy Composition
| Carbon (C), % | 3.1 to 3.4 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 23 to 26 |
| Copper (Cu), % | 0 | |
| 0.7 to 1.2 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 10.2 to 23.6 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 7.0 |
| Nickel (Ni), % | 0 | |
| 47 to 52 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0 to 0.030 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 0.7 to 1.5 |