EN 1.4971 Stainless Steel vs. AWS ER80S-B3L
Both EN 1.4971 stainless steel and AWS ER80S-B3L are iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is AWS ER80S-B3L.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Elongation at Break, % | 34 | |
| 19 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 81 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 800 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 340 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 260 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Conductivity, W/m-K | 13 | |
| 41 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 4.1 |
| Density, g/cm3 | 8.4 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 7.6 | |
| 1.8 |
| Embodied Energy, MJ/kg | 110 | |
| 23 |
| Embodied Water, L/kg | 300 | |
| 60 |
Common Calculations
| PREN (Pitting Resistance) | 38 | |
| 6.0 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 | |
| 730 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 22 |
| Strength to Weight: Bending, points | 23 | |
| 21 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 11 |
| Thermal Shock Resistance, points | 19 | |
| 18 |
Alloy Composition
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| Carbon (C), % | 0.080 to 0.16 | |
| 0 to 0.050 |
| Chromium (Cr), % | 20 to 22.5 | |
| 2.3 to 2.7 |
| Cobalt (Co), % | 18.5 to 21 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.35 |
| Iron (Fe), % | 24.3 to 37.1 | |
| 93.6 to 96 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 0.9 to 1.2 |
| Nickel (Ni), % | 19 to 21 | |
| 0 to 0.2 |
| Niobium (Nb), % | 0.75 to 1.3 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.4 to 0.7 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Tungsten (W), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |