SAE-AISI M41 Steel vs. AWS ER80S-B8
Both SAE-AISI M41 steel and AWS ER80S-B8 are iron alloys. They have 82% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is AWS ER80S-B8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 800 to 2290 | |
| 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 270 |
| Melting Completion (Liquidus), °C | 1600 | |
| 1460 |
| Melting Onset (Solidus), °C | 1550 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 26 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 6.5 |
| Density, g/cm3 | 8.4 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 9.1 | |
| 2.0 |
| Embodied Energy, MJ/kg | 140 | |
| 28 |
| Embodied Water, L/kg | 120 | |
| 89 |
Common Calculations
| PREN (Pitting Resistance) | 28 | |
| 13 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 76 | |
| 22 |
| Strength to Weight: Bending, points | 23 to 46 | |
| 21 |
| Thermal Diffusivity, mm2/s | 6.0 | |
| 6.9 |
| Thermal Shock Resistance, points | 25 to 71 | |
| 17 |
Alloy Composition
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| Carbon (C), % | 1.1 to 1.2 | |
| 0 to 0.1 |
| Chromium (Cr), % | 3.8 to 4.5 | |
| 8.0 to 10.5 |
| Cobalt (Co), % | 4.8 to 5.8 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.35 |
| Iron (Fe), % | 73.4 to 78.9 | |
| 85.6 to 90.8 |
| Manganese (Mn), % | 0.2 to 0.6 | |
| 0.4 to 0.7 |
| Molybdenum (Mo), % | 3.3 to 4.3 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 to 0.5 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.15 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Tungsten (W), % | 6.3 to 7.0 | |
| 0 |
| Vanadium (V), % | 1.8 to 2.3 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |