EN 1.4935 Stainless Steel vs. EN 1.4122 Stainless Steel
Both EN 1.4935 stainless steel and EN 1.4122 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4935 stainless steel and the bottom bar is EN 1.4122 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 16 to 18 | |
| 14 |
| Fatigue Strength, MPa | 350 to 400 | |
| 260 to 360 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 480 to 540 | |
| 480 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 880 | |
| 790 to 850 |
| Tensile Strength: Yield (Proof), MPa | 570 to 670 | |
| 450 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 380 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 870 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.4 |
| Embodied Energy, MJ/kg | 42 | |
| 33 |
| Embodied Water, L/kg | 100 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
| 93 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 830 to 1160 | |
| 520 to 1000 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 31 | |
| 28 to 31 |
| Strength to Weight: Bending, points | 24 to 26 | |
| 25 to 26 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 4.0 |
| Thermal Shock Resistance, points | 27 to 30 | |
| 28 to 30 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.24 | |
| 0.33 to 0.45 |
| Chromium (Cr), % | 11 to 12.5 | |
| 15.5 to 17.5 |
| Iron (Fe), % | 83 to 86.7 | |
| 77.2 to 83.4 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0.8 to 1.2 | |
| 0.8 to 1.3 |
| Nickel (Ni), % | 0.3 to 0.8 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.1 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Tungsten (W), % | 0.4 to 0.6 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.35 | |
| 0 |