SAE-AISI 81B45 Steel vs. AWS E110C-K4
Both SAE-AISI 81B45 steel and AWS E110C-K4 are iron alloys. They have a very high 97% of their average alloy composition in common. There are 27 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 SAE-AISI 81B45 steel and the bottom bar is AWS E110C-K4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 24 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 670 | |
| 850 |
| Tensile Strength: Yield (Proof), MPa | 350 to 560 | |
| 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 41 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 9.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 3.5 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.7 |
| Embodied Energy, MJ/kg | 20 | |
| 23 |
| Embodied Water, L/kg | 49 | |
| 54 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 110 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 320 to 840 | |
| 1600 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 19 to 24 | |
| 30 |
| Strength to Weight: Bending, points | 19 to 22 | |
| 25 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 25 |
Alloy Composition
| Boron (B), % | 0.00050 to 0.0030 | |
| 0 |
| Carbon (C), % | 0.43 to 0.48 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0.35 to 0.55 | |
| 0.15 to 0.65 |
| Copper (Cu), % | 0 | |
| 0 to 0.35 |
| Iron (Fe), % | 97 to 98 | |
| 92.1 to 98.4 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0.75 to 2.3 |
| Molybdenum (Mo), % | 0.080 to 0.15 | |
| 0.25 to 0.65 |
| Nickel (Ni), % | 0.2 to 0.4 | |
| 0.5 to 2.5 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 | |
| 0 to 0.5 |