EN 1.4020 Stainless Steel vs. EN 1.6570 Steel
Both EN 1.4020 stainless steel and EN 1.6570 steel are iron alloys. They have 71% 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 1.6570 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 270 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 13 to 34 | |
| 11 to 17 |
| Fatigue Strength, MPa | 340 to 540 | |
| 500 to 660 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 910 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 760 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 440 |
| 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 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 3.9 |
| Density, g/cm3 | 7.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.7 |
| Embodied Energy, MJ/kg | 37 | |
| 23 |
| Embodied Water, L/kg | 150 | |
| 56 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 2.5 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 120 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 1520 to 3010 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 32 to 40 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 27 to 31 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 27 to 33 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.28 to 0.35 |
| Chromium (Cr), % | 16.5 to 19 | |
| 1.0 to 1.4 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 94 to 96.2 |
| Manganese (Mn), % | 11 to 14 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 1.6 to 2.1 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |