EN 1.7710 Steel vs. EN 1.4378 Stainless Steel
Both EN 1.7710 steel and EN 1.4378 stainless steel are iron alloys. They have 68% 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 1.7710 steel and the bottom bar is EN 1.4378 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 320 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 6.8 to 11 | |
| 14 to 34 |
| Fatigue Strength, MPa | 500 to 620 | |
| 340 to 550 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1070 | |
| 760 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 800 to 1060 | |
| 430 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 910 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1390 |
| Melting Onset (Solidus), °C | 1430 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.5 | |
| 12 |
| Density, g/cm3 | 7.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 30 | |
| 39 |
| Embodied Water, L/kg | 57 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 4.5 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 to 100 | |
| 150 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1680 to 2970 | |
| 470 to 2370 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 33 to 38 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 27 to 30 | |
| 24 to 31 |
| Thermal Shock Resistance, points | 27 to 31 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.18 | |
| 0 to 0.080 |
| Chromium (Cr), % | 1.3 to 1.8 | |
| 17 to 19 |
| Iron (Fe), % | 95.1 to 97 | |
| 61.2 to 69 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 11.5 to 14.5 |
| Molybdenum (Mo), % | 0.8 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 2.3 to 3.7 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.15 to 0.25 | |
| 0 |