EN 1.4020 Stainless Steel vs. EN 1.7380 Steel
Both EN 1.4020 stainless steel and EN 1.7380 steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.7380 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 160 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 13 to 34 | |
| 19 to 20 |
| Fatigue Strength, MPa | 340 to 540 | |
| 200 to 230 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 74 |
| Shear Strength, MPa | 510 to 680 | |
| 330 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 540 to 550 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 460 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1470 |
| Melting Onset (Solidus), °C | 1350 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 3.8 |
| Density, g/cm3 | 7.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.8 |
| Embodied Energy, MJ/kg | 37 | |
| 23 |
| Embodied Water, L/kg | 150 | |
| 59 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 5.6 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 87 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 230 to 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 19 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 15 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.080 to 0.14 |
| Chromium (Cr), % | 16.5 to 19 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 94.6 to 96.6 |
| Manganese (Mn), % | 11 to 14 | |
| 0.4 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0 to 0.012 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |