EN 1.4938 Stainless Steel vs. AWS E80C-B8
Both EN 1.4938 stainless steel and AWS E80C-B8 are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is AWS E80C-B8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 16 to 17 | |
| 19 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1030 | |
| 620 |
| Tensile Strength: Yield (Proof), MPa | 640 to 870 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 25 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 9.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 6.5 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.1 |
| Embodied Energy, MJ/kg | 47 | |
| 28 |
| Embodied Water, L/kg | 110 | |
| 89 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1050 to 1920 | |
| 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 31 to 37 | |
| 22 |
| Strength to Weight: Bending, points | 26 to 29 | |
| 21 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 6.9 |
| Thermal Shock Resistance, points | 30 to 35 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 0.080 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 11 to 12.5 | |
| 8.0 to 10.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.35 |
| Iron (Fe), % | 80.5 to 84.8 | |
| 85.5 to 90.6 |
| Manganese (Mn), % | 0.4 to 0.9 | |
| 0.4 to 1.0 |
| Molybdenum (Mo), % | 1.5 to 2.0 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 2.0 to 3.0 | |
| 0 to 0.2 |
| Nitrogen (N), % | 0.020 to 0.040 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0.25 to 0.6 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.025 |
| Vanadium (V), % | 0.25 to 0.4 | |
| 0 to 0.030 |
| Residuals, % | 0 | |
| 0 to 0.5 |