AWS E2209 vs. SAE-AISI 8645 Steel
Both AWS E2209 and SAE-AISI 8645 steel are iron alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is AWS E2209 and the bottom bar is SAE-AISI 8645 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 23 | |
| 12 to 23 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 600 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 39 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.1 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 2.6 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 1.5 |
| Embodied Energy, MJ/kg | 55 | |
| 20 |
| Embodied Water, L/kg | 170 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 24 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 10 |
| Thermal Shock Resistance, points | 20 | |
| 18 to 20 |
Alloy Composition
| Carbon (C), % | 0 to 0.040 | |
| 0.43 to 0.48 |
| Chromium (Cr), % | 21.5 to 23.5 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 0 to 0.75 | |
| 0 |
| Iron (Fe), % | 58.4 to 66.9 | |
| 96.5 to 97.7 |
| Manganese (Mn), % | 0.5 to 2.0 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 0.4 to 0.7 |
| Nitrogen (N), % | 0.080 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |