EN 1.4305 Stainless Steel vs. S31277 Stainless Steel
Both EN 1.4305 stainless steel and S31277 stainless 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 (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is S31277 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 |
| Elongation at Break, % | 14 to 40 | |
| 45 |
| Fatigue Strength, MPa | 190 to 330 | |
| 380 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 80 |
| Shear Strength, MPa | 420 to 550 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
| 860 |
| Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 310 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 430 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 |
| Thermal Expansion, µm/m-K | 16 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 6.7 |
| Embodied Energy, MJ/kg | 42 | |
| 90 |
| Embodied Water, L/kg | 140 | |
| 220 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 51 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 320 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 830 | |
| 410 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 29 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 25 |
| Thermal Shock Resistance, points | 14 to 20 | |
| 19 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.020 |
| Chromium (Cr), % | 17 to 19 | |
| 20.5 to 23 |
| Copper (Cu), % | 0 to 1.0 | |
| 0.5 to 1.5 |
| Iron (Fe), % | 66.4 to 74.9 | |
| 35.5 to 46.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 3.0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 8.0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 26 to 28 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0.3 to 0.4 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0.15 to 0.35 | |
| 0 to 0.010 |