AWS ER90S-B9 vs. S45000 Stainless Steel
Both AWS ER90S-B9 and S45000 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 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 AWS ER90S-B9 and the bottom bar is S45000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 18 | |
| 6.8 to 14 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 690 | |
| 980 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 470 | |
| 580 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1440 |
| Melting Onset (Solidus), °C | 1410 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 25 | |
| 17 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 37 | |
| 39 |
| Embodied Water, L/kg | 91 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 17 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 94 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 | |
| 850 to 4400 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 25 | |
| 35 to 50 |
| Strength to Weight: Bending, points | 22 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 4.5 |
| Thermal Shock Resistance, points | 19 | |
| 33 to 47 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.040 | |
| 0 |
| Carbon (C), % | 0.070 to 0.13 | |
| 0 to 0.050 |
| Chromium (Cr), % | 8.0 to 10.5 | |
| 14 to 16 |
| Copper (Cu), % | 0 to 0.2 | |
| 1.3 to 1.8 |
| Iron (Fe), % | 84.4 to 90.7 | |
| 72.1 to 79.3 |
| Manganese (Mn), % | 0 to 1.2 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0.85 to 1.2 | |
| 0.5 to 1.0 |
| Nickel (Ni), % | 0 to 0.8 | |
| 5.0 to 7.0 |
| Niobium (Nb), % | 0.020 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |