AWS ER80S-B3L vs. ASTM A369 Grade FP91
Both AWS ER80S-B3L and ASTM A369 grade FP91 are iron alloys. They have a moderately high 93% 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 AWS ER80S-B3L and the bottom bar is ASTM A369 grade FP91.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 19 | |
| 19 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 630 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 530 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 270 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 41 | |
| 26 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.1 | |
| 7.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 23 | |
| 37 |
| Embodied Water, L/kg | 60 | |
| 88 |
Common Calculations
| PREN (Pitting Resistance) | 6.0 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 | |
| 560 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 24 |
| Strength to Weight: Bending, points | 21 | |
| 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 6.9 |
| Thermal Shock Resistance, points | 18 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.020 |
| Carbon (C), % | 0 to 0.050 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 2.3 to 2.7 | |
| 8.0 to 9.5 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 |
| Iron (Fe), % | 93.6 to 96 | |
| 87.3 to 90.3 |
| Manganese (Mn), % | 0.4 to 0.7 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.9 to 1.2 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0.030 to 0.070 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.4 to 0.7 | |
| 0.2 to 0.5 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Vanadium (V), % | 0 | |
| 0.18 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.010 |
| Residuals, % | 0 to 0.5 | |
| 0 |