EN 1.4612 Stainless Steel vs. EN 1.7711 Steel
Both EN 1.4612 stainless steel and EN 1.7711 steel are iron alloys. They have 75% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4612 stainless steel and the bottom bar is EN 1.7711 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 | |
| 16 to 22 |
| Fatigue Strength, MPa | 860 to 950 | |
| 290 to 520 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 1010 to 1110 | |
| 440 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 1690 to 1850 | |
| 690 to 930 |
| Tensile Strength: Yield (Proof), MPa | 1570 to 1730 | |
| 400 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 430 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 3.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.3 |
| Embodied Energy, MJ/kg | 50 | |
| 32 |
| Embodied Water, L/kg | 140 | |
| 54 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 2.9 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 210 | |
| 130 to 140 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 60 to 65 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 40 to 43 | |
| 22 to 27 |
| Thermal Shock Resistance, points | 58 to 63 | |
| 24 to 32 |
Alloy Composition
| Aluminum (Al), % | 1.4 to 1.8 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.015 | |
| 0.36 to 0.44 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0.9 to 1.2 |
| Iron (Fe), % | 71.5 to 75.5 | |
| 96 to 97.5 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.45 to 0.85 |
| Molybdenum (Mo), % | 1.8 to 2.3 | |
| 0.5 to 0.65 |
| Nickel (Ni), % | 10.2 to 11.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.2 to 0.5 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |