S31260 Stainless Steel vs. AWS ER80S-B8
Both S31260 stainless steel and AWS ER80S-B8 are iron alloys. They have 75% 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 S31260 stainless steel and the bottom bar is AWS ER80S-B8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 23 | |
| 19 |
| Poisson's Ratio | 0.27 | |
| 0.28 |
| Shear Modulus, GPa | 80 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 270 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 26 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 8.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 6.5 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 2.0 |
| Embodied Energy, MJ/kg | 53 | |
| 28 |
| Embodied Water, L/kg | 180 | |
| 89 |
Common Calculations
| PREN (Pitting Resistance) | 39 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 720 | |
| 720 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 | |
| 22 |
| Strength to Weight: Bending, points | 24 | |
| 21 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 6.9 |
| Thermal Shock Resistance, points | 22 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.1 |
| Chromium (Cr), % | 24 to 26 | |
| 8.0 to 10.5 |
| Copper (Cu), % | 0.2 to 0.8 | |
| 0 to 0.35 |
| Iron (Fe), % | 59.6 to 67.6 | |
| 85.6 to 90.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 5.5 to 7.5 | |
| 0 to 0.5 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Tungsten (W), % | 0.1 to 0.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |