EN 1.4107 Stainless Steel vs. Austempered Cast Iron
Both EN 1.4107 stainless steel and austempered cast iron are iron alloys. They have 88% of their average alloy composition in common. 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 EN 1.4107 stainless steel and the bottom bar is austempered cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 18 to 21 | |
| 1.1 to 13 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 62 to 69 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 700 | |
| 860 to 1800 |
| Tensile Strength: Yield (Proof), MPa | 400 to 570 | |
| 560 to 1460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1380 |
| Melting Onset (Solidus), °C | 1410 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 490 |
| Thermal Conductivity, W/m-K | 27 | |
| 42 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 2.9 |
| Density, g/cm3 | 7.8 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 2.1 | |
| 1.8 |
| Embodied Energy, MJ/kg | 30 | |
| 25 |
| Embodied Water, L/kg | 100 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 19 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 840 | |
| 880 to 3970 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 32 to 66 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 27 to 44 |
| Thermal Diffusivity, mm2/s | 7.2 | |
| 11 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 25 to 53 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.050 |
| Arsenic (As), % | 0 | |
| 0 to 0.020 |
| Carbon (C), % | 0 to 0.1 | |
| 3.4 to 3.8 |
| Chromium (Cr), % | 11.5 to 12.5 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.8 |
| Iron (Fe), % | 83.8 to 87.2 | |
| 89.6 to 94 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.040 |
| Manganese (Mn), % | 0.5 to 0.8 | |
| 0.3 to 0.4 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0.8 to 1.5 | |
| 0 to 2.0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.040 |
| Selenium (Se), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.4 | |
| 2.3 to 2.7 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.020 |
| Tin (Sn), % | 0 | |
| 0 to 0.020 |
| Vanadium (V), % | 0 to 0.080 | |
| 0 to 0.1 |