EN 1.4020 Stainless Steel vs. EN 1.1170 Steel
Both EN 1.4020 stainless steel and EN 1.1170 steel are iron alloys. They have 70% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is EN 1.1170 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 180 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 13 to 34 | |
| 16 to 17 |
| Fatigue Strength, MPa | 340 to 540 | |
| 220 to 330 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 510 to 680 | |
| 390 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 640 to 730 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 330 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 400 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1460 |
| Melting Onset (Solidus), °C | 1350 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 2.1 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 37 | |
| 19 |
| Embodied Water, L/kg | 150 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 91 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 290 to 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 23 to 26 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 21 to 23 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 20 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.25 to 0.32 |
| Chromium (Cr), % | 16.5 to 19 | |
| 0 to 0.4 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 96.7 to 98.5 |
| Manganese (Mn), % | 11 to 14 | |
| 1.3 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 0 to 0.4 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |