S45500 Stainless Steel vs. Grey Cast Iron
Both S45500 stainless steel and grey cast iron are iron alloys. They have 76% of their average alloy composition in common. There are 25 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 S45500 stainless steel and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 500 | |
| 160 to 300 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 3.4 to 11 | |
| 9.6 |
| Fatigue Strength, MPa | 570 to 890 | |
| 69 to 170 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 69 |
| Shear Strength, MPa | 790 to 1090 | |
| 180 to 610 |
| Tensile Strength: Ultimate (UTS), MPa | 1370 to 1850 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 1240 to 1700 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1380 |
| Melting Onset (Solidus), °C | 1400 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 490 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 1.9 |
| Density, g/cm3 | 7.9 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 1.5 |
| Embodied Energy, MJ/kg | 57 | |
| 21 |
| Embodied Water, L/kg | 120 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 190 | |
| 13 to 37 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 48 to 65 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 8.7 to 17 |
| Thermal Shock Resistance, points | 48 to 64 | |
| 6.0 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 3.1 to 3.4 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Copper (Cu), % | 1.5 to 2.5 | |
| 0 |
| Iron (Fe), % | 71.5 to 79.2 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.5 to 0.7 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 7.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.9 |
| Silicon (Si), % | 0 to 0.5 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.15 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0.8 to 1.4 | |
| 0 |