S31277 Stainless Steel vs. AWS ER70S-B2L
Both S31277 stainless steel and AWS ER70S-B2L are iron alloys. They have 44% of their average alloy composition in common. There are 24 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 S31277 stainless steel and the bottom bar is AWS ER70S-B2L.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Elongation at Break, % | 45 | |
| 22 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 80 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 860 | |
| 590 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 260 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 3.0 |
| Density, g/cm3 | 8.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 6.7 | |
| 1.6 |
| Embodied Energy, MJ/kg | 90 | |
| 21 |
| Embodied Water, L/kg | 220 | |
| 54 |
Common Calculations
| PREN (Pitting Resistance) | 51 | |
| 3.1 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 320 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 | |
| 530 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 29 | |
| 21 |
| Strength to Weight: Bending, points | 25 | |
| 20 |
| Thermal Shock Resistance, points | 19 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.020 | |
| 0 to 0.050 |
| Chromium (Cr), % | 20.5 to 23 | |
| 1.2 to 1.5 |
| Copper (Cu), % | 0.5 to 1.5 | |
| 0 to 0.35 |
| Iron (Fe), % | 35.5 to 46.2 | |
| 95.3 to 97.6 |
| Manganese (Mn), % | 0 to 3.0 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 6.5 to 8.0 | |
| 0.4 to 0.65 |
| Nickel (Ni), % | 26 to 28 | |
| 0 to 0.2 |
| Nitrogen (N), % | 0.3 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.4 to 0.7 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.025 |
| Residuals, % | 0 | |
| 0 to 0.5 |