EN 1.4301 Stainless Steel vs. EN 1.7711 Steel
Both EN 1.4301 stainless steel and EN 1.7711 steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is EN 1.7711 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 210 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 46 | |
| 16 to 22 |
| Fatigue Strength, MPa | 200 to 330 | |
| 290 to 520 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 430 to 550 | |
| 440 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
| 690 to 930 |
| Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
| 400 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 430 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 33 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 3.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.3 |
| Embodied Energy, MJ/kg | 43 | |
| 32 |
| Embodied Water, L/kg | 140 | |
| 54 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 2.9 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 220 | |
| 130 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 820 | |
| 430 to 1690 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 8.9 |
| Thermal Shock Resistance, points | 14 to 20 | |
| 24 to 32 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.070 | |
| 0.36 to 0.44 |
| Chromium (Cr), % | 17.5 to 19.5 | |
| 0.9 to 1.2 |
| Iron (Fe), % | 66.8 to 74.5 | |
| 96 to 97.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.45 to 0.85 |
| Molybdenum (Mo), % | 0 | |
| 0.5 to 0.65 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |